Home / 237,421.14-327,628.19-129,970.40

Finding the Fourth Proportional to 237,421.14, 327,628.19 and 129,970.40

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Solution

The fourth proportional to 237,421.14, 327,628.19 and 129,970.40 is: 179,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,421.14 : 327,628.19 = 129,970.40 : x
  2. Step 2: Convert to fraction form
    237,421.14/327,628.19 = 129,970.40/x
  3. Step 3: Cross multiply
    237,421.14x = 327,628.19 × 129,970.40
  4. Step 4: Simplify right side
    237,421.14x = 42,581,964,617.58
  5. Step 5: Solve for x
    x = 42,581,964,617.58/237,421.14
  6. Step 6: Final answer
    x = 179,352.04

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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.