Home / 119,114.07-164,377.74-65,402.57

Finding the Fourth Proportional to 119,114.07, 164,377.74 and 65,402.57

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Solution

The fourth proportional to 119,114.07, 164,377.74 and 65,402.57 is: 90,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,114.07 : 164,377.74 = 65,402.57 : x
  2. Step 2: Convert to fraction form
    119,114.07/164,377.74 = 65,402.57/x
  3. Step 3: Cross multiply
    119,114.07x = 164,377.74 × 65,402.57
  4. Step 4: Simplify right side
    119,114.07x = 10,750,726,646.79
  5. Step 5: Solve for x
    x = 10,750,726,646.79/119,114.07
  6. Step 6: Final answer
    x = 90,255.72

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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.