Home / 185,539.16-256,044.52-100,656.22

Finding the Fourth Proportional to 185,539.16, 256,044.52 and 100,656.22

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Solution

The fourth proportional to 185,539.16, 256,044.52 and 100,656.22 is: 138,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,539.16 : 256,044.52 = 100,656.22 : x
  2. Step 2: Convert to fraction form
    185,539.16/256,044.52 = 100,656.22/x
  3. Step 3: Cross multiply
    185,539.16x = 256,044.52 × 100,656.22
  4. Step 4: Simplify right side
    185,539.16x = 25,772,473,534.91
  5. Step 5: Solve for x
    x = 25,772,473,534.91/185,539.16
  6. Step 6: Final answer
    x = 138,905.84

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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.