Home / 129,361.10-194,041.65-97,868.30

Finding the Fourth Proportional to 129,361.10, 194,041.65 and 97,868.30

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Solution

The fourth proportional to 129,361.10, 194,041.65 and 97,868.30 is: 146,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361.10 : 194,041.65 = 97,868.30 : x
  2. Step 2: Convert to fraction form
    129,361.10/194,041.65 = 97,868.30/x
  3. Step 3: Cross multiply
    129,361.10x = 194,041.65 × 97,868.30
  4. Step 4: Simplify right side
    129,361.10x = 18,990,526,414.70
  5. Step 5: Solve for x
    x = 18,990,526,414.70/129,361.10
  6. Step 6: Final answer
    x = 146,802.45

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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.