Home / 157,582.08-217,459.20-85,963.84

Finding the Fourth Proportional to 157,582.08, 217,459.20 and 85,963.84

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Solution

The fourth proportional to 157,582.08, 217,459.20 and 85,963.84 is: 118,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,582.08 : 217,459.20 = 85,963.84 : x
  2. Step 2: Convert to fraction form
    157,582.08/217,459.20 = 85,963.84/x
  3. Step 3: Cross multiply
    157,582.08x = 217,459.20 × 85,963.84
  4. Step 4: Simplify right side
    157,582.08x = 18,693,627,875.33
  5. Step 5: Solve for x
    x = 18,693,627,875.33/157,582.08
  6. Step 6: Final answer
    x = 118,627.88

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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.