Home / 136,295.42-188,087.66-75,864.76

Finding the Fourth Proportional to 136,295.42, 188,087.66 and 75,864.76

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Solution

The fourth proportional to 136,295.42, 188,087.66 and 75,864.76 is: 104,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,295.42 : 188,087.66 = 75,864.76 : x
  2. Step 2: Convert to fraction form
    136,295.42/188,087.66 = 75,864.76/x
  3. Step 3: Cross multiply
    136,295.42x = 188,087.66 × 75,864.76
  4. Step 4: Simplify right side
    136,295.42x = 14,269,225,184.86
  5. Step 5: Solve for x
    x = 14,269,225,184.86/136,295.42
  6. Step 6: Final answer
    x = 104,693.36

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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.