Home / 282,095.12-423,144.24-71,733.20

Finding the Fourth Proportional to 282,095.12, 423,144.24 and 71,733.20

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Solution

The fourth proportional to 282,095.12, 423,144.24 and 71,733.20 is: 107,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,095.12 : 423,144.24 = 71,733.20 : x
  2. Step 2: Convert to fraction form
    282,095.12/423,144.24 = 71,733.20/x
  3. Step 3: Cross multiply
    282,095.12x = 423,144.24 × 71,733.20
  4. Step 4: Simplify right side
    282,095.12x = 30,353,490,396.77
  5. Step 5: Solve for x
    x = 30,353,490,396.77/282,095.12
  6. Step 6: Final answer
    x = 107,600.20

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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.