Home / 113,047.28-154,967.92-112,001.84

Finding the Fourth Proportional to 113,047.28, 154,967.92 and 112,001.84

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Solution

The fourth proportional to 113,047.28, 154,967.92 and 112,001.84 is: 153,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,047.28 : 154,967.92 = 112,001.84 : x
  2. Step 2: Convert to fraction form
    113,047.28/154,967.92 = 112,001.84/x
  3. Step 3: Cross multiply
    113,047.28x = 154,967.92 × 112,001.84
  4. Step 4: Simplify right side
    113,047.28x = 17,356,692,180.97
  5. Step 5: Solve for x
    x = 17,356,692,180.97/113,047.28
  6. Step 6: Final answer
    x = 153,534.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.