Home / 130,442.79-195,270.30-117,968.69

Finding the Fourth Proportional to 130,442.79, 195,270.30 and 117,968.69

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Solution

The fourth proportional to 130,442.79, 195,270.30 and 117,968.69 is: 176,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,442.79 : 195,270.30 = 117,968.69 : x
  2. Step 2: Convert to fraction form
    130,442.79/195,270.30 = 117,968.69/x
  3. Step 3: Cross multiply
    130,442.79x = 195,270.30 × 117,968.69
  4. Step 4: Simplify right side
    130,442.79x = 23,035,781,486.91
  5. Step 5: Solve for x
    x = 23,035,781,486.91/130,442.79
  6. Step 6: Final answer
    x = 176,596.82

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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.