Home / 119,064.20-164,303.46-65,350.13

Finding the Fourth Proportional to 119,064.20, 164,303.46 and 65,350.13

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Solution

The fourth proportional to 119,064.20, 164,303.46 and 65,350.13 is: 90,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,064.20 : 164,303.46 = 65,350.13 : x
  2. Step 2: Convert to fraction form
    119,064.20/164,303.46 = 65,350.13/x
  3. Step 3: Cross multiply
    119,064.20x = 164,303.46 × 65,350.13
  4. Step 4: Simplify right side
    119,064.20x = 10,737,252,470.45
  5. Step 5: Solve for x
    x = 10,737,252,470.45/119,064.20
  6. Step 6: Final answer
    x = 90,180.36

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1.5x scale

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.