Home / 249,991.38-345,021.12-141,117.66

Finding the Fourth Proportional to 249,991.38, 345,021.12 and 141,117.66

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Solution

The fourth proportional to 249,991.38, 345,021.12 and 141,117.66 is: 194,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,991.38 : 345,021.12 = 141,117.66 : x
  2. Step 2: Convert to fraction form
    249,991.38/345,021.12 = 141,117.66/x
  3. Step 3: Cross multiply
    249,991.38x = 345,021.12 × 141,117.66
  4. Step 4: Simplify right side
    249,991.38x = 48,688,573,104.98
  5. Step 5: Solve for x
    x = 48,688,573,104.98/249,991.38
  6. Step 6: Final answer
    x = 194,761.01

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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.