Home / 440,862.10-661,386.65-141,552.92

Finding the Fourth Proportional to 440,862.10, 661,386.65 and 141,552.92

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Solution

The fourth proportional to 440,862.10, 661,386.65 and 141,552.92 is: 212,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,862.10 : 661,386.65 = 141,552.92 : x
  2. Step 2: Convert to fraction form
    440,862.10/661,386.65 = 141,552.92/x
  3. Step 3: Cross multiply
    440,862.10x = 661,386.65 × 141,552.92
  4. Step 4: Simplify right side
    440,862.10x = 93,621,211,556.52
  5. Step 5: Solve for x
    x = 93,621,211,556.52/440,862.10
  6. Step 6: Final answer
    x = 212,359.40

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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.