Home / 207,188.19-285,816.20-130,801.95

Finding the Fourth Proportional to 207,188.19, 285,816.20 and 130,801.95

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Solution

The fourth proportional to 207,188.19, 285,816.20 and 130,801.95 is: 180,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,188.19 : 285,816.20 = 130,801.95 : x
  2. Step 2: Convert to fraction form
    207,188.19/285,816.20 = 130,801.95/x
  3. Step 3: Cross multiply
    207,188.19x = 285,816.20 × 130,801.95
  4. Step 4: Simplify right side
    207,188.19x = 37,385,315,647.58
  5. Step 5: Solve for x
    x = 37,385,315,647.58/207,188.19
  6. Step 6: Final answer
    x = 180,441.34

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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.