Home / 141,870.13-212,853.80-48,441.49

Finding the Fourth Proportional to 141,870.13, 212,853.80 and 48,441.49

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Solution

The fourth proportional to 141,870.13, 212,853.80 and 48,441.49 is: 72,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,870.13 : 212,853.80 = 48,441.49 : x
  2. Step 2: Convert to fraction form
    141,870.13/212,853.80 = 48,441.49/x
  3. Step 3: Cross multiply
    141,870.13x = 212,853.80 × 48,441.49
  4. Step 4: Simplify right side
    141,870.13x = 10,310,954,981.95
  5. Step 5: Solve for x
    x = 10,310,954,981.95/141,870.13
  6. Step 6: Final answer
    x = 72,678.83

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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.