Home / 111,180.78-153,428.34-60,192.16

Finding the Fourth Proportional to 111,180.78, 153,428.34 and 60,192.16

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Solution

The fourth proportional to 111,180.78, 153,428.34 and 60,192.16 is: 83,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,180.78 : 153,428.34 = 60,192.16 : x
  2. Step 2: Convert to fraction form
    111,180.78/153,428.34 = 60,192.16/x
  3. Step 3: Cross multiply
    111,180.78x = 153,428.34 × 60,192.16
  4. Step 4: Simplify right side
    111,180.78x = 9,235,182,806.24
  5. Step 5: Solve for x
    x = 9,235,182,806.24/111,180.78
  6. Step 6: Final answer
    x = 83,064.56

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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.