Home / 121,306.14-181,688.39-93,017.85

Finding the Fourth Proportional to 121,306.14, 181,688.39 and 93,017.85

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Solution

The fourth proportional to 121,306.14, 181,688.39 and 93,017.85 is: 139,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.14 : 181,688.39 = 93,017.85 : x
  2. Step 2: Convert to fraction form
    121,306.14/181,688.39 = 93,017.85/x
  3. Step 3: Cross multiply
    121,306.14x = 181,688.39 × 93,017.85
  4. Step 4: Simplify right side
    121,306.14x = 16,900,262,942.67
  5. Step 5: Solve for x
    x = 16,900,262,942.67/121,306.14
  6. Step 6: Final answer
    x = 139,319.11

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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.