Home / 119,478.18-164,876.04-65,763.24

Finding the Fourth Proportional to 119,478.18, 164,876.04 and 65,763.24

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Solution

The fourth proportional to 119,478.18, 164,876.04 and 65,763.24 is: 90,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,478.18 : 164,876.04 = 65,763.24 : x
  2. Step 2: Convert to fraction form
    119,478.18/164,876.04 = 65,763.24/x
  3. Step 3: Cross multiply
    119,478.18x = 164,876.04 × 65,763.24
  4. Step 4: Simplify right side
    119,478.18x = 10,842,782,588.77
  5. Step 5: Solve for x
    x = 10,842,782,588.77/119,478.18
  6. Step 6: Final answer
    x = 90,751.15

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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.