Home / 249,350.78-344,105.34-136,173.54

Finding the Fourth Proportional to 249,350.78, 344,105.34 and 136,173.54

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Solution

The fourth proportional to 249,350.78, 344,105.34 and 136,173.54 is: 187,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,350.78 : 344,105.34 = 136,173.54 : x
  2. Step 2: Convert to fraction form
    249,350.78/344,105.34 = 136,173.54/x
  3. Step 3: Cross multiply
    249,350.78x = 344,105.34 × 136,173.54
  4. Step 4: Simplify right side
    249,350.78x = 46,858,042,280.70
  5. Step 5: Solve for x
    x = 46,858,042,280.70/249,350.78
  6. Step 6: Final answer
    x = 187,920.18

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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.