Home / 152,002.22-209,763.90-83,091.79

Finding the Fourth Proportional to 152,002.22, 209,763.90 and 83,091.79

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Solution

The fourth proportional to 152,002.22, 209,763.90 and 83,091.79 is: 114,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,002.22 : 209,763.90 = 83,091.79 : x
  2. Step 2: Convert to fraction form
    152,002.22/209,763.90 = 83,091.79/x
  3. Step 3: Cross multiply
    152,002.22x = 209,763.90 × 83,091.79
  4. Step 4: Simplify right side
    152,002.22x = 17,429,657,403.97
  5. Step 5: Solve for x
    x = 17,429,657,403.97/152,002.22
  6. Step 6: Final answer
    x = 114,667.13

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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.