Home / 109,636.61-151,326.45-73,342.13

Finding the Fourth Proportional to 109,636.61, 151,326.45 and 73,342.13

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Solution

The fourth proportional to 109,636.61, 151,326.45 and 73,342.13 is: 101,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,636.61 : 151,326.45 = 73,342.13 : x
  2. Step 2: Convert to fraction form
    109,636.61/151,326.45 = 73,342.13/x
  3. Step 3: Cross multiply
    109,636.61x = 151,326.45 × 73,342.13
  4. Step 4: Simplify right side
    109,636.61x = 11,098,604,168.34
  5. Step 5: Solve for x
    x = 11,098,604,168.34/109,636.61
  6. Step 6: Final answer
    x = 101,230.82

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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.