Home / 249,711.35-344,601.65-136,534.10

Finding the Fourth Proportional to 249,711.35, 344,601.65 and 136,534.10

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Solution

The fourth proportional to 249,711.35, 344,601.65 and 136,534.10 is: 188,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,711.35 : 344,601.65 = 136,534.10 : x
  2. Step 2: Convert to fraction form
    249,711.35/344,601.65 = 136,534.10/x
  3. Step 3: Cross multiply
    249,711.35x = 344,601.65 × 136,534.10
  4. Step 4: Simplify right side
    249,711.35x = 47,049,874,759.59
  5. Step 5: Solve for x
    x = 47,049,874,759.59/249,711.35
  6. Step 6: Final answer
    x = 188,417.05

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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.