Home / 410,460.18-615,782.61-144,239.10

Finding the Fourth Proportional to 410,460.18, 615,782.61 and 144,239.10

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Solution

The fourth proportional to 410,460.18, 615,782.61 and 144,239.10 is: 216,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,460.18 : 615,782.61 = 144,239.10 : x
  2. Step 2: Convert to fraction form
    410,460.18/615,782.61 = 144,239.10/x
  3. Step 3: Cross multiply
    410,460.18x = 615,782.61 × 144,239.10
  4. Step 4: Simplify right side
    410,460.18x = 88,819,929,462.05
  5. Step 5: Solve for x
    x = 88,819,929,462.05/410,460.18
  6. Step 6: Final answer
    x = 216,391.10

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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.