Home / 109,645.48-151,294.38-64,306.36

Finding the Fourth Proportional to 109,645.48, 151,294.38 and 64,306.36

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Solution

The fourth proportional to 109,645.48, 151,294.38 and 64,306.36 is: 88,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,645.48 : 151,294.38 = 64,306.36 : x
  2. Step 2: Convert to fraction form
    109,645.48/151,294.38 = 64,306.36/x
  3. Step 3: Cross multiply
    109,645.48x = 151,294.38 × 64,306.36
  4. Step 4: Simplify right side
    109,645.48x = 9,729,190,866.26
  5. Step 5: Solve for x
    x = 9,729,190,866.26/109,645.48
  6. Step 6: Final answer
    x = 88,733.17

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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.