Home / 129,359.10-194,038.65-97,866.30

Finding the Fourth Proportional to 129,359.10, 194,038.65 and 97,866.30

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Solution

The fourth proportional to 129,359.10, 194,038.65 and 97,866.30 is: 146,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359.10 : 194,038.65 = 97,866.30 : x
  2. Step 2: Convert to fraction form
    129,359.10/194,038.65 = 97,866.30/x
  3. Step 3: Cross multiply
    129,359.10x = 194,038.65 × 97,866.30
  4. Step 4: Simplify right side
    129,359.10x = 18,989,844,732.50
  5. Step 5: Solve for x
    x = 18,989,844,732.50/129,359.10
  6. Step 6: Final answer
    x = 146,799.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.