Home / 120,881.16-181,341.18-50,780.52

Finding the Fourth Proportional to 120,881.16, 181,341.18 and 50,780.52

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Solution

The fourth proportional to 120,881.16, 181,341.18 and 50,780.52 is: 76,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,881.16 : 181,341.18 = 50,780.52 : x
  2. Step 2: Convert to fraction form
    120,881.16/181,341.18 = 50,780.52/x
  3. Step 3: Cross multiply
    120,881.16x = 181,341.18 × 50,780.52
  4. Step 4: Simplify right side
    120,881.16x = 9,208,599,417.81
  5. Step 5: Solve for x
    x = 9,208,599,417.81/120,881.16
  6. Step 6: Final answer
    x = 76,178.95

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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.