Home / 448,534.14-672,686.60-132,917.24

Finding the Fourth Proportional to 448,534.14, 672,686.60 and 132,917.24

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Solution

The fourth proportional to 448,534.14, 672,686.60 and 132,917.24 is: 199,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,534.14 : 672,686.60 = 132,917.24 : x
  2. Step 2: Convert to fraction form
    448,534.14/672,686.60 = 132,917.24/x
  3. Step 3: Cross multiply
    448,534.14x = 672,686.60 × 132,917.24
  4. Step 4: Simplify right side
    448,534.14x = 89,411,642,228.96
  5. Step 5: Solve for x
    x = 89,411,642,228.96/448,534.14
  6. Step 6: Final answer
    x = 199,341.89

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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.