Home / 460,747.51-691,432.65-161,230.68

Finding the Fourth Proportional to 460,747.51, 691,432.65 and 161,230.68

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Solution

The fourth proportional to 460,747.51, 691,432.65 and 161,230.68 is: 241,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,747.51 : 691,432.65 = 161,230.68 : x
  2. Step 2: Convert to fraction form
    460,747.51/691,432.65 = 161,230.68/x
  3. Step 3: Cross multiply
    460,747.51x = 691,432.65 × 161,230.68
  4. Step 4: Simplify right side
    460,747.51x = 111,480,152,070.39
  5. Step 5: Solve for x
    x = 111,480,152,070.39/460,747.51
  6. Step 6: Final answer
    x = 241,954.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.