Home / 109,897.73-151,387.40-93,712.38

Finding the Fourth Proportional to 109,897.73, 151,387.40 and 93,712.38

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Solution

The fourth proportional to 109,897.73, 151,387.40 and 93,712.38 is: 129,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,897.73 : 151,387.40 = 93,712.38 : x
  2. Step 2: Convert to fraction form
    109,897.73/151,387.40 = 93,712.38/x
  3. Step 3: Cross multiply
    109,897.73x = 151,387.40 × 93,712.38
  4. Step 4: Simplify right side
    109,897.73x = 14,186,873,087.45
  5. Step 5: Solve for x
    x = 14,186,873,087.45/109,897.73
  6. Step 6: Final answer
    x = 129,091.60

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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.