Home / 111,227.12-153,496.22-68,230.31

Finding the Fourth Proportional to 111,227.12, 153,496.22 and 68,230.31

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Solution

The fourth proportional to 111,227.12, 153,496.22 and 68,230.31 is: 94,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,227.12 : 153,496.22 = 68,230.31 : x
  2. Step 2: Convert to fraction form
    111,227.12/153,496.22 = 68,230.31/x
  3. Step 3: Cross multiply
    111,227.12x = 153,496.22 × 68,230.31
  4. Step 4: Simplify right side
    111,227.12x = 10,473,095,228.74
  5. Step 5: Solve for x
    x = 10,473,095,228.74/111,227.12
  6. Step 6: Final answer
    x = 94,159.55

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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.