Home / 410,565.11-615,780.68-144,263.43

Finding the Fourth Proportional to 410,565.11, 615,780.68 and 144,263.43

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Solution

The fourth proportional to 410,565.11, 615,780.68 and 144,263.43 is: 216,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,565.11 : 615,780.68 = 144,263.43 : x
  2. Step 2: Convert to fraction form
    410,565.11/615,780.68 = 144,263.43/x
  3. Step 3: Cross multiply
    410,565.11x = 615,780.68 × 144,263.43
  4. Step 4: Simplify right side
    410,565.11x = 88,834,632,303.22
  5. Step 5: Solve for x
    x = 88,834,632,303.22/410,565.11
  6. Step 6: Final answer
    x = 216,371.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.