Home / 410,461.18-615,784.11-144,240.10

Finding the Fourth Proportional to 410,461.18, 615,784.11 and 144,240.10

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Solution

The fourth proportional to 410,461.18, 615,784.11 and 144,240.10 is: 216,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,461.18 : 615,784.11 = 144,240.10 : x
  2. Step 2: Convert to fraction form
    410,461.18/615,784.11 = 144,240.10/x
  3. Step 3: Cross multiply
    410,461.18x = 615,784.11 × 144,240.10
  4. Step 4: Simplify right side
    410,461.18x = 88,820,761,604.81
  5. Step 5: Solve for x
    x = 88,820,761,604.81/410,461.18
  6. Step 6: Final answer
    x = 216,392.60

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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.