Home / 185,700.90-256,264.76-105,126.36

Finding the Fourth Proportional to 185,700.90, 256,264.76 and 105,126.36

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Solution

The fourth proportional to 185,700.90, 256,264.76 and 105,126.36 is: 145,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,700.90 : 256,264.76 = 105,126.36 : x
  2. Step 2: Convert to fraction form
    185,700.90/256,264.76 = 105,126.36/x
  3. Step 3: Cross multiply
    185,700.90x = 256,264.76 × 105,126.36
  4. Step 4: Simplify right side
    185,700.90x = 26,940,180,716.90
  5. Step 5: Solve for x
    x = 26,940,180,716.90/185,700.90
  6. Step 6: Final answer
    x = 145,072.97

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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.