Home / 117,301.60-176,038.80-47,231.20

Finding the Fourth Proportional to 117,301.60, 176,038.80 and 47,231.20

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Solution

The fourth proportional to 117,301.60, 176,038.80 and 47,231.20 is: 70,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,301.60 : 176,038.80 = 47,231.20 : x
  2. Step 2: Convert to fraction form
    117,301.60/176,038.80 = 47,231.20/x
  3. Step 3: Cross multiply
    117,301.60x = 176,038.80 × 47,231.20
  4. Step 4: Simplify right side
    117,301.60x = 8,314,523,770.56
  5. Step 5: Solve for x
    x = 8,314,523,770.56/117,301.60
  6. Step 6: Final answer
    x = 70,881.59

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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.