Home / 232,109.80-320,368.51-141,515.73

Finding the Fourth Proportional to 232,109.80, 320,368.51 and 141,515.73

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Solution

The fourth proportional to 232,109.80, 320,368.51 and 141,515.73 is: 195,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,109.80 : 320,368.51 = 141,515.73 : x
  2. Step 2: Convert to fraction form
    232,109.80/320,368.51 = 141,515.73/x
  3. Step 3: Cross multiply
    232,109.80x = 320,368.51 × 141,515.73
  4. Step 4: Simplify right side
    232,109.80x = 45,337,182,136.71
  5. Step 5: Solve for x
    x = 45,337,182,136.71/232,109.80
  6. Step 6: Final answer
    x = 195,326.44

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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.