Home / 121,068.06-167,156.22-75,764.35

Finding the Fourth Proportional to 121,068.06, 167,156.22 and 75,764.35

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Solution

The fourth proportional to 121,068.06, 167,156.22 and 75,764.35 is: 104,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,068.06 : 167,156.22 = 75,764.35 : x
  2. Step 2: Convert to fraction form
    121,068.06/167,156.22 = 75,764.35/x
  3. Step 3: Cross multiply
    121,068.06x = 167,156.22 × 75,764.35
  4. Step 4: Simplify right side
    121,068.06x = 12,664,482,356.76
  5. Step 5: Solve for x
    x = 12,664,482,356.76/121,068.06
  6. Step 6: Final answer
    x = 104,606.30

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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.