Home / 111,243.08-153,392.46-70,892.96

Finding the Fourth Proportional to 111,243.08, 153,392.46 and 70,892.96

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Solution

The fourth proportional to 111,243.08, 153,392.46 and 70,892.96 is: 97,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,243.08 : 153,392.46 = 70,892.96 : x
  2. Step 2: Convert to fraction form
    111,243.08/153,392.46 = 70,892.96/x
  3. Step 3: Cross multiply
    111,243.08x = 153,392.46 × 70,892.96
  4. Step 4: Simplify right side
    111,243.08x = 10,874,445,531.08
  5. Step 5: Solve for x
    x = 10,874,445,531.08/111,243.08
  6. Step 6: Final answer
    x = 97,753.91

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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.