Home / 112,657.07-155,456.12-67,326.03

Finding the Fourth Proportional to 112,657.07, 155,456.12 and 67,326.03

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Solution

The fourth proportional to 112,657.07, 155,456.12 and 67,326.03 is: 92,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,657.07 : 155,456.12 = 67,326.03 : x
  2. Step 2: Convert to fraction form
    112,657.07/155,456.12 = 67,326.03/x
  3. Step 3: Cross multiply
    112,657.07x = 155,456.12 × 67,326.03
  4. Step 4: Simplify right side
    112,657.07x = 10,466,243,567.12
  5. Step 5: Solve for x
    x = 10,466,243,567.12/112,657.07
  6. Step 6: Final answer
    x = 92,903.56

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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.