Home / 111,557.36-153,948.84-66,845.36

Finding the Fourth Proportional to 111,557.36, 153,948.84 and 66,845.36

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Solution

The fourth proportional to 111,557.36, 153,948.84 and 66,845.36 is: 92,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,557.36 : 153,948.84 = 66,845.36 : x
  2. Step 2: Convert to fraction form
    111,557.36/153,948.84 = 66,845.36/x
  3. Step 3: Cross multiply
    111,557.36x = 153,948.84 × 66,845.36
  4. Step 4: Simplify right side
    111,557.36x = 10,290,765,631.38
  5. Step 5: Solve for x
    x = 10,290,765,631.38/111,557.36
  6. Step 6: Final answer
    x = 92,246.41

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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.