Home / 143,932.31-215,904.95-44,085.23

Finding the Fourth Proportional to 143,932.31, 215,904.95 and 44,085.23

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Solution

The fourth proportional to 143,932.31, 215,904.95 and 44,085.23 is: 66,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932.31 : 215,904.95 = 44,085.23 : x
  2. Step 2: Convert to fraction form
    143,932.31/215,904.95 = 44,085.23/x
  3. Step 3: Cross multiply
    143,932.31x = 215,904.95 × 44,085.23
  4. Step 4: Simplify right side
    143,932.31x = 9,518,219,378.89
  5. Step 5: Solve for x
    x = 9,518,219,378.89/143,932.31
  6. Step 6: Final answer
    x = 66,129.83

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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.