Home / 143,358.05-215,062.95-59,072.15

Finding the Fourth Proportional to 143,358.05, 215,062.95 and 59,072.15

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Solution

The fourth proportional to 143,358.05, 215,062.95 and 59,072.15 is: 88,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,358.05 : 215,062.95 = 59,072.15 : x
  2. Step 2: Convert to fraction form
    143,358.05/215,062.95 = 59,072.15/x
  3. Step 3: Cross multiply
    143,358.05x = 215,062.95 × 59,072.15
  4. Step 4: Simplify right side
    143,358.05x = 12,704,230,841.84
  5. Step 5: Solve for x
    x = 12,704,230,841.84/143,358.05
  6. Step 6: Final answer
    x = 88,618.89

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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.