Home / 257,315.88-354,906.18-176,756.52

Finding the Fourth Proportional to 257,315.88, 354,906.18 and 176,756.52

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Solution

The fourth proportional to 257,315.88, 354,906.18 and 176,756.52 is: 243,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,315.88 : 354,906.18 = 176,756.52 : x
  2. Step 2: Convert to fraction form
    257,315.88/354,906.18 = 176,756.52/x
  3. Step 3: Cross multiply
    257,315.88x = 354,906.18 × 176,756.52
  4. Step 4: Simplify right side
    257,315.88x = 62,731,981,303.29
  5. Step 5: Solve for x
    x = 62,731,981,303.29/257,315.88
  6. Step 6: Final answer
    x = 243,793.66

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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.