Home / 157,616.85-217,510.93-85,996.83

Finding the Fourth Proportional to 157,616.85, 217,510.93 and 85,996.83

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Solution

The fourth proportional to 157,616.85, 217,510.93 and 85,996.83 is: 118,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,616.85 : 217,510.93 = 85,996.83 : x
  2. Step 2: Convert to fraction form
    157,616.85/217,510.93 = 85,996.83/x
  3. Step 3: Cross multiply
    157,616.85x = 217,510.93 × 85,996.83
  4. Step 4: Simplify right side
    157,616.85x = 18,705,250,470.35
  5. Step 5: Solve for x
    x = 18,705,250,470.35/157,616.85
  6. Step 6: Final answer
    x = 118,675.45

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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.