Home / 269,555.10-371,988.63-148,701.48

Finding the Fourth Proportional to 269,555.10, 371,988.63 and 148,701.48

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Solution

The fourth proportional to 269,555.10, 371,988.63 and 148,701.48 is: 205,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,555.10 : 371,988.63 = 148,701.48 : x
  2. Step 2: Convert to fraction form
    269,555.10/371,988.63 = 148,701.48/x
  3. Step 3: Cross multiply
    269,555.10x = 371,988.63 × 148,701.48
  4. Step 4: Simplify right side
    269,555.10x = 55,315,259,824.17
  5. Step 5: Solve for x
    x = 55,315,259,824.17/269,555.10
  6. Step 6: Final answer
    x = 205,209.47

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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.