Home / 317,332.08-476,122.59-139,714.50

Finding the Fourth Proportional to 317,332.08, 476,122.59 and 139,714.50

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Solution

The fourth proportional to 317,332.08, 476,122.59 and 139,714.50 is: 209,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,332.08 : 476,122.59 = 139,714.50 : x
  2. Step 2: Convert to fraction form
    317,332.08/476,122.59 = 139,714.50/x
  3. Step 3: Cross multiply
    317,332.08x = 476,122.59 × 139,714.50
  4. Step 4: Simplify right side
    317,332.08x = 66,521,229,600.56
  5. Step 5: Solve for x
    x = 66,521,229,600.56/317,332.08
  6. Step 6: Final answer
    x = 209,626.55

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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.