Home / 112,662.04-155,293.32-76,352.44

Finding the Fourth Proportional to 112,662.04, 155,293.32 and 76,352.44

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Solution

The fourth proportional to 112,662.04, 155,293.32 and 76,352.44 is: 105,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,662.04 : 155,293.32 = 76,352.44 : x
  2. Step 2: Convert to fraction form
    112,662.04/155,293.32 = 76,352.44/x
  3. Step 3: Cross multiply
    112,662.04x = 155,293.32 × 76,352.44
  4. Step 4: Simplify right side
    112,662.04x = 11,857,023,897.70
  5. Step 5: Solve for x
    x = 11,857,023,897.70/112,662.04
  6. Step 6: Final answer
    x = 105,244.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.