Home / 249,949.75-344,930.67-136,772.50

Finding the Fourth Proportional to 249,949.75, 344,930.67 and 136,772.50

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Solution

The fourth proportional to 249,949.75, 344,930.67 and 136,772.50 is: 188,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,949.75 : 344,930.67 = 136,772.50 : x
  2. Step 2: Convert to fraction form
    249,949.75/344,930.67 = 136,772.50/x
  3. Step 3: Cross multiply
    249,949.75x = 344,930.67 × 136,772.50
  4. Step 4: Simplify right side
    249,949.75x = 47,177,030,062.58
  5. Step 5: Solve for x
    x = 47,177,030,062.58/249,949.75
  6. Step 6: Final answer
    x = 188,746.06

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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.