Home / 157,252.98-217,001.59-85,632.58

Finding the Fourth Proportional to 157,252.98, 217,001.59 and 85,632.58

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Solution

The fourth proportional to 157,252.98, 217,001.59 and 85,632.58 is: 118,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,252.98 : 217,001.59 = 85,632.58 : x
  2. Step 2: Convert to fraction form
    157,252.98/217,001.59 = 85,632.58/x
  3. Step 3: Cross multiply
    157,252.98x = 217,001.59 × 85,632.58
  4. Step 4: Simplify right side
    157,252.98x = 18,582,406,015.80
  5. Step 5: Solve for x
    x = 18,582,406,015.80/157,252.98
  6. Step 6: Final answer
    x = 118,168.86

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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.