Home / 259,088.17-388,632.25-101,205.90

Finding the Fourth Proportional to 259,088.17, 388,632.25 and 101,205.90

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Solution

The fourth proportional to 259,088.17, 388,632.25 and 101,205.90 is: 151,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,088.17 : 388,632.25 = 101,205.90 : x
  2. Step 2: Convert to fraction form
    259,088.17/388,632.25 = 101,205.90/x
  3. Step 3: Cross multiply
    259,088.17x = 388,632.25 × 101,205.90
  4. Step 4: Simplify right side
    259,088.17x = 39,331,878,214.15
  5. Step 5: Solve for x
    x = 39,331,878,214.15/259,088.17
  6. Step 6: Final answer
    x = 151,808.86

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1.5x scale

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.