Home / 157,700.85-217,632.33-86,084.70

Finding the Fourth Proportional to 157,700.85, 217,632.33 and 86,084.70

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Solution

The fourth proportional to 157,700.85, 217,632.33 and 86,084.70 is: 118,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,700.85 : 217,632.33 = 86,084.70 : x
  2. Step 2: Convert to fraction form
    157,700.85/217,632.33 = 86,084.70/x
  3. Step 3: Cross multiply
    157,700.85x = 217,632.33 × 86,084.70
  4. Step 4: Simplify right side
    157,700.85x = 18,734,813,838.35
  5. Step 5: Solve for x
    x = 18,734,813,838.35/157,700.85
  6. Step 6: Final answer
    x = 118,799.70

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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.