Home / 142,475.25-213,633.90-58,294.47

Finding the Fourth Proportional to 142,475.25, 213,633.90 and 58,294.47

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Solution

The fourth proportional to 142,475.25, 213,633.90 and 58,294.47 is: 87,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,475.25 : 213,633.90 = 58,294.47 : x
  2. Step 2: Convert to fraction form
    142,475.25/213,633.90 = 58,294.47/x
  3. Step 3: Cross multiply
    142,475.25x = 213,633.90 × 58,294.47
  4. Step 4: Simplify right side
    142,475.25x = 12,453,674,974.53
  5. Step 5: Solve for x
    x = 12,453,674,974.53/142,475.25
  6. Step 6: Final answer
    x = 87,409.39

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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.