Home / 276,201.02-381,144.80-153,699.45

Finding the Fourth Proportional to 276,201.02, 381,144.80 and 153,699.45

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Solution

The fourth proportional to 276,201.02, 381,144.80 and 153,699.45 is: 212,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,201.02 : 381,144.80 = 153,699.45 : x
  2. Step 2: Convert to fraction form
    276,201.02/381,144.80 = 153,699.45/x
  3. Step 3: Cross multiply
    276,201.02x = 381,144.80 × 153,699.45
  4. Step 4: Simplify right side
    276,201.02x = 58,581,746,514.61
  5. Step 5: Solve for x
    x = 58,581,746,514.61/276,201.02
  6. Step 6: Final answer
    x = 212,098.23

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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.