Home / 261,365.92-392,002.02-69,241.62

Finding the Fourth Proportional to 261,365.92, 392,002.02 and 69,241.62

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Solution

The fourth proportional to 261,365.92, 392,002.02 and 69,241.62 is: 103,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,365.92 : 392,002.02 = 69,241.62 : x
  2. Step 2: Convert to fraction form
    261,365.92/392,002.02 = 69,241.62/x
  3. Step 3: Cross multiply
    261,365.92x = 392,002.02 × 69,241.62
  4. Step 4: Simplify right side
    261,365.92x = 27,142,854,908.07
  5. Step 5: Solve for x
    x = 27,142,854,908.07/261,365.92
  6. Step 6: Final answer
    x = 103,850.02

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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.