Home / 157,799.04-217,761.52-86,179.08

Finding the Fourth Proportional to 157,799.04, 217,761.52 and 86,179.08

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Solution

The fourth proportional to 157,799.04, 217,761.52 and 86,179.08 is: 118,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,799.04 : 217,761.52 = 86,179.08 : x
  2. Step 2: Convert to fraction form
    157,799.04/217,761.52 = 86,179.08/x
  3. Step 3: Cross multiply
    157,799.04x = 217,761.52 × 86,179.08
  4. Step 4: Simplify right side
    157,799.04x = 18,766,487,453.00
  5. Step 5: Solve for x
    x = 18,766,487,453.00/157,799.04
  6. Step 6: Final answer
    x = 118,926.50

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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.