Home / 111,052.40-153,250.36-68,025.20

Finding the Fourth Proportional to 111,052.40, 153,250.36 and 68,025.20

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Solution

The fourth proportional to 111,052.40, 153,250.36 and 68,025.20 is: 93,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,052.40 : 153,250.36 = 68,025.20 : x
  2. Step 2: Convert to fraction form
    111,052.40/153,250.36 = 68,025.20/x
  3. Step 3: Cross multiply
    111,052.40x = 153,250.36 × 68,025.20
  4. Step 4: Simplify right side
    111,052.40x = 10,424,886,389.07
  5. Step 5: Solve for x
    x = 10,424,886,389.07/111,052.40
  6. Step 6: Final answer
    x = 93,873.58

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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.