Home / 155,205.44-232,613.38-66,354.51

Finding the Fourth Proportional to 155,205.44, 232,613.38 and 66,354.51

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Solution

The fourth proportional to 155,205.44, 232,613.38 and 66,354.51 is: 99,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,205.44 : 232,613.38 = 66,354.51 : x
  2. Step 2: Convert to fraction form
    155,205.44/232,613.38 = 66,354.51/x
  3. Step 3: Cross multiply
    155,205.44x = 232,613.38 × 66,354.51
  4. Step 4: Simplify right side
    155,205.44x = 15,434,946,849.34
  5. Step 5: Solve for x
    x = 15,434,946,849.34/155,205.44
  6. Step 6: Final answer
    x = 99,448.49

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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.