Home / 115,066.27-158,840.60-77,362.39

Finding the Fourth Proportional to 115,066.27, 158,840.60 and 77,362.39

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Solution

The fourth proportional to 115,066.27, 158,840.60 and 77,362.39 is: 106,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,066.27 : 158,840.60 = 77,362.39 : x
  2. Step 2: Convert to fraction form
    115,066.27/158,840.60 = 77,362.39/x
  3. Step 3: Cross multiply
    115,066.27x = 158,840.60 × 77,362.39
  4. Step 4: Simplify right side
    115,066.27x = 12,288,288,256.77
  5. Step 5: Solve for x
    x = 12,288,288,256.77/115,066.27
  6. Step 6: Final answer
    x = 106,793.14

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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.