Home / 249,328.90-344,103.42-140,436.82

Finding the Fourth Proportional to 249,328.90, 344,103.42 and 140,436.82

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Solution

The fourth proportional to 249,328.90, 344,103.42 and 140,436.82 is: 193,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,328.90 : 344,103.42 = 140,436.82 : x
  2. Step 2: Convert to fraction form
    249,328.90/344,103.42 = 140,436.82/x
  3. Step 3: Cross multiply
    249,328.90x = 344,103.42 × 140,436.82
  4. Step 4: Simplify right side
    249,328.90x = 48,324,790,055.92
  5. Step 5: Solve for x
    x = 48,324,790,055.92/249,328.90
  6. Step 6: Final answer
    x = 193,819.45

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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.