Home / 136,865.54-187,502.65-131,748.48

Finding the Fourth Proportional to 136,865.54, 187,502.65 and 131,748.48

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Solution

The fourth proportional to 136,865.54, 187,502.65 and 131,748.48 is: 180,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,865.54 : 187,502.65 = 131,748.48 : x
  2. Step 2: Convert to fraction form
    136,865.54/187,502.65 = 131,748.48/x
  3. Step 3: Cross multiply
    136,865.54x = 187,502.65 × 131,748.48
  4. Step 4: Simplify right side
    136,865.54x = 24,703,189,545.19
  5. Step 5: Solve for x
    x = 24,703,189,545.19/136,865.54
  6. Step 6: Final answer
    x = 180,492.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.