Home / 111,018.97-153,196.92-62,618.23

Finding the Fourth Proportional to 111,018.97, 153,196.92 and 62,618.23

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Solution

The fourth proportional to 111,018.97, 153,196.92 and 62,618.23 is: 86,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.97 : 153,196.92 = 62,618.23 : x
  2. Step 2: Convert to fraction form
    111,018.97/153,196.92 = 62,618.23/x
  3. Step 3: Cross multiply
    111,018.97x = 153,196.92 × 62,618.23
  4. Step 4: Simplify right side
    111,018.97x = 9,592,919,658.76
  5. Step 5: Solve for x
    x = 9,592,919,658.76/111,018.97
  6. Step 6: Final answer
    x = 86,407.93

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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.