Home / 207,625.18-286,224.15-147,905.50

Finding the Fourth Proportional to 207,625.18, 286,224.15 and 147,905.50

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Solution

The fourth proportional to 207,625.18, 286,224.15 and 147,905.50 is: 203,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,625.18 : 286,224.15 = 147,905.50 : x
  2. Step 2: Convert to fraction form
    207,625.18/286,224.15 = 147,905.50/x
  3. Step 3: Cross multiply
    207,625.18x = 286,224.15 × 147,905.50
  4. Step 4: Simplify right side
    207,625.18x = 42,334,126,017.83
  5. Step 5: Solve for x
    x = 42,334,126,017.83/207,625.18
  6. Step 6: Final answer
    x = 203,896.88

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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.