Home / 110,928.91-153,208.17-74,567.22

Finding the Fourth Proportional to 110,928.91, 153,208.17 and 74,567.22

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Solution

The fourth proportional to 110,928.91, 153,208.17 and 74,567.22 is: 102,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,928.91 : 153,208.17 = 74,567.22 : x
  2. Step 2: Convert to fraction form
    110,928.91/153,208.17 = 74,567.22/x
  3. Step 3: Cross multiply
    110,928.91x = 153,208.17 × 74,567.22
  4. Step 4: Simplify right side
    110,928.91x = 11,424,307,318.19
  5. Step 5: Solve for x
    x = 11,424,307,318.19/110,928.91
  6. Step 6: Final answer
    x = 102,987.65

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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.