Home / 112,456.12-155,190.06-61,468.92

Finding the Fourth Proportional to 112,456.12, 155,190.06 and 61,468.92

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Solution

The fourth proportional to 112,456.12, 155,190.06 and 61,468.92 is: 84,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.12 : 155,190.06 = 61,468.92 : x
  2. Step 2: Convert to fraction form
    112,456.12/155,190.06 = 61,468.92/x
  3. Step 3: Cross multiply
    112,456.12x = 155,190.06 × 61,468.92
  4. Step 4: Simplify right side
    112,456.12x = 9,539,365,382.94
  5. Step 5: Solve for x
    x = 9,539,365,382.94/112,456.12
  6. Step 6: Final answer
    x = 84,827.45

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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.