Home / 185,747.58-256,330.98-105,167.16

Finding the Fourth Proportional to 185,747.58, 256,330.98 and 105,167.16

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Solution

The fourth proportional to 185,747.58, 256,330.98 and 105,167.16 is: 145,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,747.58 : 256,330.98 = 105,167.16 : x
  2. Step 2: Convert to fraction form
    185,747.58/256,330.98 = 105,167.16/x
  3. Step 3: Cross multiply
    185,747.58x = 256,330.98 × 105,167.16
  4. Step 4: Simplify right side
    185,747.58x = 26,957,601,186.62
  5. Step 5: Solve for x
    x = 26,957,601,186.62/185,747.58
  6. Step 6: Final answer
    x = 145,130.30

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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.