Home / 115,336.26-159,064.65-75,035.34

Finding the Fourth Proportional to 115,336.26, 159,064.65 and 75,035.34

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Solution

The fourth proportional to 115,336.26, 159,064.65 and 75,035.34 is: 103,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,336.26 : 159,064.65 = 75,035.34 : x
  2. Step 2: Convert to fraction form
    115,336.26/159,064.65 = 75,035.34/x
  3. Step 3: Cross multiply
    115,336.26x = 159,064.65 × 75,035.34
  4. Step 4: Simplify right side
    115,336.26x = 11,935,470,094.73
  5. Step 5: Solve for x
    x = 11,935,470,094.73/115,336.26
  6. Step 6: Final answer
    x = 103,484.11

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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.