Home / 249,956.28-344,939.64-136,779

Finding the Fourth Proportional to 249,956.28, 344,939.64 and 136,779

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Solution

The fourth proportional to 249,956.28, 344,939.64 and 136,779 is: 188,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,956.28 : 344,939.64 = 136,779 : x
  2. Step 2: Convert to fraction form
    249,956.28/344,939.64 = 136,779/x
  3. Step 3: Cross multiply
    249,956.28x = 344,939.64 × 136,779
  4. Step 4: Simplify right side
    249,956.28x = 47,180,499,019.56
  5. Step 5: Solve for x
    x = 47,180,499,019.56/249,956.28
  6. Step 6: Final answer
    x = 188,755.01

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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.