Home / 185,883.90-256,521.35-101,000.97

Finding the Fourth Proportional to 185,883.90, 256,521.35 and 101,000.97

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Solution

The fourth proportional to 185,883.90, 256,521.35 and 101,000.97 is: 139,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,883.90 : 256,521.35 = 101,000.97 : x
  2. Step 2: Convert to fraction form
    185,883.90/256,521.35 = 101,000.97/x
  3. Step 3: Cross multiply
    185,883.90x = 256,521.35 × 101,000.97
  4. Step 4: Simplify right side
    185,883.90x = 25,908,905,175.71
  5. Step 5: Solve for x
    x = 25,908,905,175.71/185,883.90
  6. Step 6: Final answer
    x = 139,382.19

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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.