Home / 256,545.47-354,018.87-141,817.27

Finding the Fourth Proportional to 256,545.47, 354,018.87 and 141,817.27

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Solution

The fourth proportional to 256,545.47, 354,018.87 and 141,817.27 is: 195,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,545.47 : 354,018.87 = 141,817.27 : x
  2. Step 2: Convert to fraction form
    256,545.47/354,018.87 = 141,817.27/x
  3. Step 3: Cross multiply
    256,545.47x = 354,018.87 × 141,817.27
  4. Step 4: Simplify right side
    256,545.47x = 50,205,989,671.88
  5. Step 5: Solve for x
    x = 50,205,989,671.88/256,545.47
  6. Step 6: Final answer
    x = 195,700.16

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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.