Home / 235,435.56-353,145.51-102,315.95

Finding the Fourth Proportional to 235,435.56, 353,145.51 and 102,315.95

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Solution

The fourth proportional to 235,435.56, 353,145.51 and 102,315.95 is: 153,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,435.56 : 353,145.51 = 102,315.95 : x
  2. Step 2: Convert to fraction form
    235,435.56/353,145.51 = 102,315.95/x
  3. Step 3: Cross multiply
    235,435.56x = 353,145.51 × 102,315.95
  4. Step 4: Simplify right side
    235,435.56x = 36,132,416,578.16
  5. Step 5: Solve for x
    x = 36,132,416,578.16/235,435.56
  6. Step 6: Final answer
    x = 153,470.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.