Home / 317,223.06-437,780.10-173,989.14

Finding the Fourth Proportional to 317,223.06, 437,780.10 and 173,989.14

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Solution

The fourth proportional to 317,223.06, 437,780.10 and 173,989.14 is: 240,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,223.06 : 437,780.10 = 173,989.14 : x
  2. Step 2: Convert to fraction form
    317,223.06/437,780.10 = 173,989.14/x
  3. Step 3: Cross multiply
    317,223.06x = 437,780.10 × 173,989.14
  4. Step 4: Simplify right side
    317,223.06x = 76,168,983,108.11
  5. Step 5: Solve for x
    x = 76,168,983,108.11/317,223.06
  6. Step 6: Final answer
    x = 240,111.75

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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.