Home / 354,717.83-489,521.07-193,583.32

Finding the Fourth Proportional to 354,717.83, 489,521.07 and 193,583.32

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Solution

The fourth proportional to 354,717.83, 489,521.07 and 193,583.32 is: 267,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,717.83 : 489,521.07 = 193,583.32 : x
  2. Step 2: Convert to fraction form
    354,717.83/489,521.07 = 193,583.32/x
  3. Step 3: Cross multiply
    354,717.83x = 489,521.07 × 193,583.32
  4. Step 4: Simplify right side
    354,717.83x = 94,763,112,716.75
  5. Step 5: Solve for x
    x = 94,763,112,716.75/354,717.83
  6. Step 6: Final answer
    x = 267,150.69

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1.5x scale

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.