Home / 115,348.86-159,154.26-70,025.70

Finding the Fourth Proportional to 115,348.86, 159,154.26 and 70,025.70

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Solution

The fourth proportional to 115,348.86, 159,154.26 and 70,025.70 is: 96,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348.86 : 159,154.26 = 70,025.70 : x
  2. Step 2: Convert to fraction form
    115,348.86/159,154.26 = 70,025.70/x
  3. Step 3: Cross multiply
    115,348.86x = 159,154.26 × 70,025.70
  4. Step 4: Simplify right side
    115,348.86x = 11,144,888,464.48
  5. Step 5: Solve for x
    x = 11,144,888,464.48/115,348.86
  6. Step 6: Final answer
    x = 96,618.97

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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.