Home / 115,026.30-158,732.38-64,715.58

Finding the Fourth Proportional to 115,026.30, 158,732.38 and 64,715.58

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Solution

The fourth proportional to 115,026.30, 158,732.38 and 64,715.58 is: 89,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,026.30 : 158,732.38 = 64,715.58 : x
  2. Step 2: Convert to fraction form
    115,026.30/158,732.38 = 64,715.58/x
  3. Step 3: Cross multiply
    115,026.30x = 158,732.38 × 64,715.58
  4. Step 4: Simplify right side
    115,026.30x = 10,272,458,036.48
  5. Step 5: Solve for x
    x = 10,272,458,036.48/115,026.30
  6. Step 6: Final answer
    x = 89,305.30

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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.