Home / 121,657.39-182,231.62-97,835.95

Finding the Fourth Proportional to 121,657.39, 182,231.62 and 97,835.95

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Solution

The fourth proportional to 121,657.39, 182,231.62 and 97,835.95 is: 146,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,657.39 : 182,231.62 = 97,835.95 : x
  2. Step 2: Convert to fraction form
    121,657.39/182,231.62 = 97,835.95/x
  3. Step 3: Cross multiply
    121,657.39x = 182,231.62 × 97,835.95
  4. Step 4: Simplify right side
    121,657.39x = 17,828,803,173.56
  5. Step 5: Solve for x
    x = 17,828,803,173.56/121,657.39
  6. Step 6: Final answer
    x = 146,549.28

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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.