Home / 157,117.61-216,570.18-106,114.04

Finding the Fourth Proportional to 157,117.61, 216,570.18 and 106,114.04

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Solution

The fourth proportional to 157,117.61, 216,570.18 and 106,114.04 is: 146,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,117.61 : 216,570.18 = 106,114.04 : x
  2. Step 2: Convert to fraction form
    157,117.61/216,570.18 = 106,114.04/x
  3. Step 3: Cross multiply
    157,117.61x = 216,570.18 × 106,114.04
  4. Step 4: Simplify right side
    157,117.61x = 22,981,136,267.54
  5. Step 5: Solve for x
    x = 22,981,136,267.54/157,117.61
  6. Step 6: Final answer
    x = 146,267.09

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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.