Home / 113,400.36-169,906.14-80,060.76

Finding the Fourth Proportional to 113,400.36, 169,906.14 and 80,060.76

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Solution

The fourth proportional to 113,400.36, 169,906.14 and 80,060.76 is: 119,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,400.36 : 169,906.14 = 80,060.76 : x
  2. Step 2: Convert to fraction form
    113,400.36/169,906.14 = 80,060.76/x
  3. Step 3: Cross multiply
    113,400.36x = 169,906.14 × 80,060.76
  4. Step 4: Simplify right side
    113,400.36x = 13,602,814,697.07
  5. Step 5: Solve for x
    x = 13,602,814,697.07/113,400.36
  6. Step 6: Final answer
    x = 119,953.89

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1.5x scale

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.