Home / 142,677.32-213,832.76-53,824.95

Finding the Fourth Proportional to 142,677.32, 213,832.76 and 53,824.95

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Solution

The fourth proportional to 142,677.32, 213,832.76 and 53,824.95 is: 80,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,677.32 : 213,832.76 = 53,824.95 : x
  2. Step 2: Convert to fraction form
    142,677.32/213,832.76 = 53,824.95/x
  3. Step 3: Cross multiply
    142,677.32x = 213,832.76 × 53,824.95
  4. Step 4: Simplify right side
    142,677.32x = 11,509,537,346.24
  5. Step 5: Solve for x
    x = 11,509,537,346.24/142,677.32
  6. Step 6: Final answer
    x = 80,668.31

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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.