Home / 154,190.30-212,770.86-93,752.56

Finding the Fourth Proportional to 154,190.30, 212,770.86 and 93,752.56

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Solution

The fourth proportional to 154,190.30, 212,770.86 and 93,752.56 is: 129,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,190.30 : 212,770.86 = 93,752.56 : x
  2. Step 2: Convert to fraction form
    154,190.30/212,770.86 = 93,752.56/x
  3. Step 3: Cross multiply
    154,190.30x = 212,770.86 × 93,752.56
  4. Step 4: Simplify right side
    154,190.30x = 19,947,812,818.40
  5. Step 5: Solve for x
    x = 19,947,812,818.40/154,190.30
  6. Step 6: Final answer
    x = 129,371.39

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1.5x scale

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.