Home / 249,898.40-344,863.68-136,723.04

Finding the Fourth Proportional to 249,898.40, 344,863.68 and 136,723.04

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Solution

The fourth proportional to 249,898.40, 344,863.68 and 136,723.04 is: 188,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,898.40 : 344,863.68 = 136,723.04 : x
  2. Step 2: Convert to fraction form
    249,898.40/344,863.68 = 136,723.04/x
  3. Step 3: Cross multiply
    249,898.40x = 344,863.68 × 136,723.04
  4. Step 4: Simplify right side
    249,898.40x = 47,150,810,715.19
  5. Step 5: Solve for x
    x = 47,150,810,715.19/249,898.40
  6. Step 6: Final answer
    x = 188,679.92

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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.