Home / 144,454.40-216,743.63-55,770.19

Finding the Fourth Proportional to 144,454.40, 216,743.63 and 55,770.19

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Solution

The fourth proportional to 144,454.40, 216,743.63 and 55,770.19 is: 83,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,454.40 : 216,743.63 = 55,770.19 : x
  2. Step 2: Convert to fraction form
    144,454.40/216,743.63 = 55,770.19/x
  3. Step 3: Cross multiply
    144,454.40x = 216,743.63 × 55,770.19
  4. Step 4: Simplify right side
    144,454.40x = 12,087,833,426.39
  5. Step 5: Solve for x
    x = 12,087,833,426.39/144,454.40
  6. Step 6: Final answer
    x = 83,679.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.