Home / 185,837.34-256,534-125,489.72

Finding the Fourth Proportional to 185,837.34, 256,534 and 125,489.72

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Solution

The fourth proportional to 185,837.34, 256,534 and 125,489.72 is: 173,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.34 : 256,534 = 125,489.72 : x
  2. Step 2: Convert to fraction form
    185,837.34/256,534 = 125,489.72/x
  3. Step 3: Cross multiply
    185,837.34x = 256,534 × 125,489.72
  4. Step 4: Simplify right side
    185,837.34x = 32,192,379,830.48
  5. Step 5: Solve for x
    x = 32,192,379,830.48/185,837.34
  6. Step 6: Final answer
    x = 173,228.80

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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.