Home / 160,128.55-240,220.46-65,410.17

Finding the Fourth Proportional to 160,128.55, 240,220.46 and 65,410.17

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Solution

The fourth proportional to 160,128.55, 240,220.46 and 65,410.17 is: 98,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,128.55 : 240,220.46 = 65,410.17 : x
  2. Step 2: Convert to fraction form
    160,128.55/240,220.46 = 65,410.17/x
  3. Step 3: Cross multiply
    160,128.55x = 240,220.46 × 65,410.17
  4. Step 4: Simplify right side
    160,128.55x = 15,712,861,126.08
  5. Step 5: Solve for x
    x = 15,712,861,126.08/160,128.55
  6. Step 6: Final answer
    x = 98,126.54

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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.