Home / 157,337.85-217,125.59-85,717.65

Finding the Fourth Proportional to 157,337.85, 217,125.59 and 85,717.65

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Solution

The fourth proportional to 157,337.85, 217,125.59 and 85,717.65 is: 118,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,337.85 : 217,125.59 = 85,717.65 : x
  2. Step 2: Convert to fraction form
    157,337.85/217,125.59 = 85,717.65/x
  3. Step 3: Cross multiply
    157,337.85x = 217,125.59 × 85,717.65
  4. Step 4: Simplify right side
    157,337.85x = 18,611,494,901.08
  5. Step 5: Solve for x
    x = 18,611,494,901.08/157,337.85
  6. Step 6: Final answer
    x = 118,290.00

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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.