Home / 119,528.11-179,290.95-30,781.27

Finding the Fourth Proportional to 119,528.11, 179,290.95 and 30,781.27

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Solution

The fourth proportional to 119,528.11, 179,290.95 and 30,781.27 is: 46,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,528.11 : 179,290.95 = 30,781.27 : x
  2. Step 2: Convert to fraction form
    119,528.11/179,290.95 = 30,781.27/x
  3. Step 3: Cross multiply
    119,528.11x = 179,290.95 × 30,781.27
  4. Step 4: Simplify right side
    119,528.11x = 5,518,803,140.51
  5. Step 5: Solve for x
    x = 5,518,803,140.51/119,528.11
  6. Step 6: Final answer
    x = 46,171.59

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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.