Home / 121,303.31-167,396.34-67,587.16

Finding the Fourth Proportional to 121,303.31, 167,396.34 and 67,587.16

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Solution

The fourth proportional to 121,303.31, 167,396.34 and 67,587.16 is: 93,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,303.31 : 167,396.34 = 67,587.16 : x
  2. Step 2: Convert to fraction form
    121,303.31/167,396.34 = 67,587.16/x
  3. Step 3: Cross multiply
    121,303.31x = 167,396.34 × 67,587.16
  4. Step 4: Simplify right side
    121,303.31x = 11,313,842,983.65
  5. Step 5: Solve for x
    x = 11,313,842,983.65/121,303.31
  6. Step 6: Final answer
    x = 93,269.04

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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.