Home / 142,941.60-196,679.52-117,353.76

Finding the Fourth Proportional to 142,941.60, 196,679.52 and 117,353.76

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Solution

The fourth proportional to 142,941.60, 196,679.52 and 117,353.76 is: 161,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,941.60 : 196,679.52 = 117,353.76 : x
  2. Step 2: Convert to fraction form
    142,941.60/196,679.52 = 117,353.76/x
  3. Step 3: Cross multiply
    142,941.60x = 196,679.52 × 117,353.76
  4. Step 4: Simplify right side
    142,941.60x = 23,081,081,187.00
  5. Step 5: Solve for x
    x = 23,081,081,187.00/142,941.60
  6. Step 6: Final answer
    x = 161,472.11

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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.