Home / 99,769.20-149,653.80-94,848.45

Finding the Fourth Proportional to 99,769.20, 149,653.80 and 94,848.45

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Solution

The fourth proportional to 99,769.20, 149,653.80 and 94,848.45 is: 142,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,769.20 : 149,653.80 = 94,848.45 : x
  2. Step 2: Convert to fraction form
    99,769.20/149,653.80 = 94,848.45/x
  3. Step 3: Cross multiply
    99,769.20x = 149,653.80 × 94,848.45
  4. Step 4: Simplify right side
    99,769.20x = 14,194,430,966.61
  5. Step 5: Solve for x
    x = 14,194,430,966.61/99,769.20
  6. Step 6: Final answer
    x = 142,272.68

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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.