Home / 112,125.48-154,726.38-64,374.36

Finding the Fourth Proportional to 112,125.48, 154,726.38 and 64,374.36

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Solution

The fourth proportional to 112,125.48, 154,726.38 and 64,374.36 is: 88,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125.48 : 154,726.38 = 64,374.36 : x
  2. Step 2: Convert to fraction form
    112,125.48/154,726.38 = 64,374.36/x
  3. Step 3: Cross multiply
    112,125.48x = 154,726.38 × 64,374.36
  4. Step 4: Simplify right side
    112,125.48x = 9,960,411,687.62
  5. Step 5: Solve for x
    x = 9,960,411,687.62/112,125.48
  6. Step 6: Final answer
    x = 88,832.72

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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.