Home / 157,618.62-217,514.40-86,000.14

Finding the Fourth Proportional to 157,618.62, 217,514.40 and 86,000.14

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Solution

The fourth proportional to 157,618.62, 217,514.40 and 86,000.14 is: 118,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,618.62 : 217,514.40 = 86,000.14 : x
  2. Step 2: Convert to fraction form
    157,618.62/217,514.40 = 86,000.14/x
  3. Step 3: Cross multiply
    157,618.62x = 217,514.40 × 86,000.14
  4. Step 4: Simplify right side
    157,618.62x = 18,706,268,852.02
  5. Step 5: Solve for x
    x = 18,706,268,852.02/157,618.62
  6. Step 6: Final answer
    x = 118,680.58

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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.