Home / 326,619.64-489,925.12-158,155.03

Finding the Fourth Proportional to 326,619.64, 489,925.12 and 158,155.03

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Solution

The fourth proportional to 326,619.64, 489,925.12 and 158,155.03 is: 237,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619.64 : 489,925.12 = 158,155.03 : x
  2. Step 2: Convert to fraction form
    326,619.64/489,925.12 = 158,155.03/x
  3. Step 3: Cross multiply
    326,619.64x = 489,925.12 × 158,155.03
  4. Step 4: Simplify right side
    326,619.64x = 77,484,122,051.35
  5. Step 5: Solve for x
    x = 77,484,122,051.35/326,619.64
  6. Step 6: Final answer
    x = 237,230.44

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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.