Home / 232,148.76-320,431.71-136,710.81

Finding the Fourth Proportional to 232,148.76, 320,431.71 and 136,710.81

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Solution

The fourth proportional to 232,148.76, 320,431.71 and 136,710.81 is: 188,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,148.76 : 320,431.71 = 136,710.81 : x
  2. Step 2: Convert to fraction form
    232,148.76/320,431.71 = 136,710.81/x
  3. Step 3: Cross multiply
    232,148.76x = 320,431.71 × 136,710.81
  4. Step 4: Simplify right side
    232,148.76x = 43,806,479,136.45
  5. Step 5: Solve for x
    x = 43,806,479,136.45/232,148.76
  6. Step 6: Final answer
    x = 188,700.04

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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.