Home / 132,441.10-182,763.67-72,011.79

Finding the Fourth Proportional to 132,441.10, 182,763.67 and 72,011.79

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Solution

The fourth proportional to 132,441.10, 182,763.67 and 72,011.79 is: 99,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,441.10 : 182,763.67 = 72,011.79 : x
  2. Step 2: Convert to fraction form
    132,441.10/182,763.67 = 72,011.79/x
  3. Step 3: Cross multiply
    132,441.10x = 182,763.67 × 72,011.79
  4. Step 4: Simplify right side
    132,441.10x = 13,161,139,023.67
  5. Step 5: Solve for x
    x = 13,161,139,023.67/132,441.10
  6. Step 6: Final answer
    x = 99,373.53

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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.