Home / 155,887.68-233,681.16-71,705.52

Finding the Fourth Proportional to 155,887.68, 233,681.16 and 71,705.52

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Solution

The fourth proportional to 155,887.68, 233,681.16 and 71,705.52 is: 107,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,887.68 : 233,681.16 = 71,705.52 : x
  2. Step 2: Convert to fraction form
    155,887.68/233,681.16 = 71,705.52/x
  3. Step 3: Cross multiply
    155,887.68x = 233,681.16 × 71,705.52
  4. Step 4: Simplify right side
    155,887.68x = 16,756,229,092.00
  5. Step 5: Solve for x
    x = 16,756,229,092.00/155,887.68
  6. Step 6: Final answer
    x = 107,489.12

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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.