Home / 158,851.16-238,206.75-74,635.28

Finding the Fourth Proportional to 158,851.16, 238,206.75 and 74,635.28

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Solution

The fourth proportional to 158,851.16, 238,206.75 and 74,635.28 is: 111,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.16 : 238,206.75 = 74,635.28 : x
  2. Step 2: Convert to fraction form
    158,851.16/238,206.75 = 74,635.28/x
  3. Step 3: Cross multiply
    158,851.16x = 238,206.75 × 74,635.28
  4. Step 4: Simplify right side
    158,851.16x = 17,778,627,484.14
  5. Step 5: Solve for x
    x = 17,778,627,484.14/158,851.16
  6. Step 6: Final answer
    x = 111,920.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.