Home / 324,130.49-447,345.15-180,899.76

Finding the Fourth Proportional to 324,130.49, 447,345.15 and 180,899.76

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Solution

The fourth proportional to 324,130.49, 447,345.15 and 180,899.76 is: 249,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,130.49 : 447,345.15 = 180,899.76 : x
  2. Step 2: Convert to fraction form
    324,130.49/447,345.15 = 180,899.76/x
  3. Step 3: Cross multiply
    324,130.49x = 447,345.15 × 180,899.76
  4. Step 4: Simplify right side
    324,130.49x = 80,924,629,023.20
  5. Step 5: Solve for x
    x = 80,924,629,023.20/324,130.49
  6. Step 6: Final answer
    x = 249,666.82

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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.