Home / 282,335.50-423,491.10-71,967.16

Finding the Fourth Proportional to 282,335.50, 423,491.10 and 71,967.16

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Solution

The fourth proportional to 282,335.50, 423,491.10 and 71,967.16 is: 107,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,335.50 : 423,491.10 = 71,967.16 : x
  2. Step 2: Convert to fraction form
    282,335.50/423,491.10 = 71,967.16/x
  3. Step 3: Cross multiply
    282,335.50x = 423,491.10 × 71,967.16
  4. Step 4: Simplify right side
    282,335.50x = 30,477,451,752.28
  5. Step 5: Solve for x
    x = 30,477,451,752.28/282,335.50
  6. Step 6: Final answer
    x = 107,947.64

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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.