Home / 143,681.18-215,521.81-59,348.63

Finding the Fourth Proportional to 143,681.18, 215,521.81 and 59,348.63

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Solution

The fourth proportional to 143,681.18, 215,521.81 and 59,348.63 is: 89,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,681.18 : 215,521.81 = 59,348.63 : x
  2. Step 2: Convert to fraction form
    143,681.18/215,521.81 = 59,348.63/x
  3. Step 3: Cross multiply
    143,681.18x = 215,521.81 × 59,348.63
  4. Step 4: Simplify right side
    143,681.18x = 12,790,924,549.05
  5. Step 5: Solve for x
    x = 12,790,924,549.05/143,681.18
  6. Step 6: Final answer
    x = 89,022.97

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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.