Home / 153,875.89-231,219.75-82,851.04

Finding the Fourth Proportional to 153,875.89, 231,219.75 and 82,851.04

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Solution

The fourth proportional to 153,875.89, 231,219.75 and 82,851.04 is: 124,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,875.89 : 231,219.75 = 82,851.04 : x
  2. Step 2: Convert to fraction form
    153,875.89/231,219.75 = 82,851.04/x
  3. Step 3: Cross multiply
    153,875.89x = 231,219.75 × 82,851.04
  4. Step 4: Simplify right side
    153,875.89x = 19,156,796,756.04
  5. Step 5: Solve for x
    x = 19,156,796,756.04/153,875.89
  6. Step 6: Final answer
    x = 124,495.12

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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.