Home / 112,518.72-155,267.28-62,214.48

Finding the Fourth Proportional to 112,518.72, 155,267.28 and 62,214.48

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Solution

The fourth proportional to 112,518.72, 155,267.28 and 62,214.48 is: 85,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.72 : 155,267.28 = 62,214.48 : x
  2. Step 2: Convert to fraction form
    112,518.72/155,267.28 = 62,214.48/x
  3. Step 3: Cross multiply
    112,518.72x = 155,267.28 × 62,214.48
  4. Step 4: Simplify right side
    112,518.72x = 9,659,873,086.21
  5. Step 5: Solve for x
    x = 9,659,873,086.21/112,518.72
  6. Step 6: Final answer
    x = 85,851.25

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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.