Home / 136,306.76-204,479.34-47,547.32

Finding the Fourth Proportional to 136,306.76, 204,479.34 and 47,547.32

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Solution

The fourth proportional to 136,306.76, 204,479.34 and 47,547.32 is: 71,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306.76 : 204,479.34 = 47,547.32 : x
  2. Step 2: Convert to fraction form
    136,306.76/204,479.34 = 47,547.32/x
  3. Step 3: Cross multiply
    136,306.76x = 204,479.34 × 47,547.32
  4. Step 4: Simplify right side
    136,306.76x = 9,722,444,612.37
  5. Step 5: Solve for x
    x = 9,722,444,612.37/136,306.76
  6. Step 6: Final answer
    x = 71,327.68

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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.