Home / 157,841.12-217,825.98-86,227.80

Finding the Fourth Proportional to 157,841.12, 217,825.98 and 86,227.80

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Solution

The fourth proportional to 157,841.12, 217,825.98 and 86,227.80 is: 118,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,841.12 : 217,825.98 = 86,227.80 : x
  2. Step 2: Convert to fraction form
    157,841.12/217,825.98 = 86,227.80/x
  3. Step 3: Cross multiply
    157,841.12x = 217,825.98 × 86,227.80
  4. Step 4: Simplify right side
    157,841.12x = 18,782,655,038.24
  5. Step 5: Solve for x
    x = 18,782,655,038.24/157,841.12
  6. Step 6: Final answer
    x = 118,997.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.