Home / 121,426.34-182,095.76-51,311.12

Finding the Fourth Proportional to 121,426.34, 182,095.76 and 51,311.12

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Solution

The fourth proportional to 121,426.34, 182,095.76 and 51,311.12 is: 76,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,426.34 : 182,095.76 = 51,311.12 : x
  2. Step 2: Convert to fraction form
    121,426.34/182,095.76 = 51,311.12/x
  3. Step 3: Cross multiply
    121,426.34x = 182,095.76 × 51,311.12
  4. Step 4: Simplify right side
    121,426.34x = 9,343,537,392.85
  5. Step 5: Solve for x
    x = 9,343,537,392.85/121,426.34
  6. Step 6: Final answer
    x = 76,948.19

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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.