Home / 326,623.64-489,931.10-158,159.04

Finding the Fourth Proportional to 326,623.64, 489,931.10 and 158,159.04

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Solution

The fourth proportional to 326,623.64, 489,931.10 and 158,159.04 is: 237,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,623.64 : 489,931.10 = 158,159.04 : x
  2. Step 2: Convert to fraction form
    326,623.64/489,931.10 = 158,159.04/x
  3. Step 3: Cross multiply
    326,623.64x = 489,931.10 × 158,159.04
  4. Step 4: Simplify right side
    326,623.64x = 77,487,032,442.14
  5. Step 5: Solve for x
    x = 77,487,032,442.14/326,623.64
  6. Step 6: Final answer
    x = 237,236.45

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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.