Home / 194,905.40-292,358.10-147,666.20

Finding the Fourth Proportional to 194,905.40, 292,358.10 and 147,666.20

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Solution

The fourth proportional to 194,905.40, 292,358.10 and 147,666.20 is: 221,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,905.40 : 292,358.10 = 147,666.20 : x
  2. Step 2: Convert to fraction form
    194,905.40/292,358.10 = 147,666.20/x
  3. Step 3: Cross multiply
    194,905.40x = 292,358.10 × 147,666.20
  4. Step 4: Simplify right side
    194,905.40x = 43,171,409,666.22
  5. Step 5: Solve for x
    x = 43,171,409,666.22/194,905.40
  6. Step 6: Final answer
    x = 221,499.30

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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.