Home / 286,637.28-395,591.52-173,522.40

Finding the Fourth Proportional to 286,637.28, 395,591.52 and 173,522.40

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Solution

The fourth proportional to 286,637.28, 395,591.52 and 173,522.40 is: 239,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,637.28 : 395,591.52 = 173,522.40 : x
  2. Step 2: Convert to fraction form
    286,637.28/395,591.52 = 173,522.40/x
  3. Step 3: Cross multiply
    286,637.28x = 395,591.52 × 173,522.40
  4. Step 4: Simplify right side
    286,637.28x = 68,643,989,970.05
  5. Step 5: Solve for x
    x = 68,643,989,970.05/286,637.28
  6. Step 6: Final answer
    x = 239,480.33

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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.