Home / 147,593.10-221,454.45-68,666.70

Finding the Fourth Proportional to 147,593.10, 221,454.45 and 68,666.70

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Solution

The fourth proportional to 147,593.10, 221,454.45 and 68,666.70 is: 103,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,593.10 : 221,454.45 = 68,666.70 : x
  2. Step 2: Convert to fraction form
    147,593.10/221,454.45 = 68,666.70/x
  3. Step 3: Cross multiply
    147,593.10x = 221,454.45 × 68,666.70
  4. Step 4: Simplify right side
    147,593.10x = 15,206,546,281.82
  5. Step 5: Solve for x
    x = 15,206,546,281.82/147,593.10
  6. Step 6: Final answer
    x = 103,030.20

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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.