Home / 143,378.06-215,150.07-59,122.52

Finding the Fourth Proportional to 143,378.06, 215,150.07 and 59,122.52

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Solution

The fourth proportional to 143,378.06, 215,150.07 and 59,122.52 is: 88,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,378.06 : 215,150.07 = 59,122.52 : x
  2. Step 2: Convert to fraction form
    143,378.06/215,150.07 = 59,122.52/x
  3. Step 3: Cross multiply
    143,378.06x = 215,150.07 × 59,122.52
  4. Step 4: Simplify right side
    143,378.06x = 12,720,214,316.58
  5. Step 5: Solve for x
    x = 12,720,214,316.58/143,378.06
  6. Step 6: Final answer
    x = 88,718.00

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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.