Home / 136,291.23-204,378.53-47,518.47

Finding the Fourth Proportional to 136,291.23, 204,378.53 and 47,518.47

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Solution

The fourth proportional to 136,291.23, 204,378.53 and 47,518.47 is: 71,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,291.23 : 204,378.53 = 47,518.47 : x
  2. Step 2: Convert to fraction form
    136,291.23/204,378.53 = 47,518.47/x
  3. Step 3: Cross multiply
    136,291.23x = 204,378.53 × 47,518.47
  4. Step 4: Simplify right side
    136,291.23x = 9,711,754,808.86
  5. Step 5: Solve for x
    x = 9,711,754,808.86/136,291.23
  6. Step 6: Final answer
    x = 71,257.37

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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.