Home / 185,641.08-256,184.88-100,758.16

Finding the Fourth Proportional to 185,641.08, 256,184.88 and 100,758.16

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Solution

The fourth proportional to 185,641.08, 256,184.88 and 100,758.16 is: 139,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,641.08 : 256,184.88 = 100,758.16 : x
  2. Step 2: Convert to fraction form
    185,641.08/256,184.88 = 100,758.16/x
  3. Step 3: Cross multiply
    185,641.08x = 256,184.88 × 100,758.16
  4. Step 4: Simplify right side
    185,641.08x = 25,812,717,128.62
  5. Step 5: Solve for x
    x = 25,812,717,128.62/185,641.08
  6. Step 6: Final answer
    x = 139,046.36

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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.