Home / 111,126.23-153,348.31-60,815.51

Finding the Fourth Proportional to 111,126.23, 153,348.31 and 60,815.51

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Solution

The fourth proportional to 111,126.23, 153,348.31 and 60,815.51 is: 83,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,126.23 : 153,348.31 = 60,815.51 : x
  2. Step 2: Convert to fraction form
    111,126.23/153,348.31 = 60,815.51/x
  3. Step 3: Cross multiply
    111,126.23x = 153,348.31 × 60,815.51
  4. Step 4: Simplify right side
    111,126.23x = 9,325,955,680.29
  5. Step 5: Solve for x
    x = 9,325,955,680.29/111,126.23
  6. Step 6: Final answer
    x = 83,922.18

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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.