Home / 261,984.18-361,538.17-142,752.18

Finding the Fourth Proportional to 261,984.18, 361,538.17 and 142,752.18

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Solution

The fourth proportional to 261,984.18, 361,538.17 and 142,752.18 is: 196,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,984.18 : 361,538.17 = 142,752.18 : x
  2. Step 2: Convert to fraction form
    261,984.18/361,538.17 = 142,752.18/x
  3. Step 3: Cross multiply
    261,984.18x = 361,538.17 × 142,752.18
  4. Step 4: Simplify right side
    261,984.18x = 51,610,361,920.71
  5. Step 5: Solve for x
    x = 51,610,361,920.71/261,984.18
  6. Step 6: Final answer
    x = 196,998.01

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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.