Home / 111,258.78-153,536.13-60,270.36

Finding the Fourth Proportional to 111,258.78, 153,536.13 and 60,270.36

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Solution

The fourth proportional to 111,258.78, 153,536.13 and 60,270.36 is: 83,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.78 : 153,536.13 = 60,270.36 : x
  2. Step 2: Convert to fraction form
    111,258.78/153,536.13 = 60,270.36/x
  3. Step 3: Cross multiply
    111,258.78x = 153,536.13 × 60,270.36
  4. Step 4: Simplify right side
    111,258.78x = 9,253,677,828.11
  5. Step 5: Solve for x
    x = 9,253,677,828.11/111,258.78
  6. Step 6: Final answer
    x = 83,172.56

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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.