Home / 115,348.96-159,192.55-70,016.55

Finding the Fourth Proportional to 115,348.96, 159,192.55 and 70,016.55

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Solution

The fourth proportional to 115,348.96, 159,192.55 and 70,016.55 is: 96,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348.96 : 159,192.55 = 70,016.55 : x
  2. Step 2: Convert to fraction form
    115,348.96/159,192.55 = 70,016.55/x
  3. Step 3: Cross multiply
    115,348.96x = 159,192.55 × 70,016.55
  4. Step 4: Simplify right side
    115,348.96x = 11,146,112,627.25
  5. Step 5: Solve for x
    x = 11,146,112,627.25/115,348.96
  6. Step 6: Final answer
    x = 96,629.50

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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.