Home / 259,588.16-389,381.12-101,705.12

Finding the Fourth Proportional to 259,588.16, 389,381.12 and 101,705.12

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Solution

The fourth proportional to 259,588.16, 389,381.12 and 101,705.12 is: 152,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,588.16 : 389,381.12 = 101,705.12 : x
  2. Step 2: Convert to fraction form
    259,588.16/389,381.12 = 101,705.12/x
  3. Step 3: Cross multiply
    259,588.16x = 389,381.12 × 101,705.12
  4. Step 4: Simplify right side
    259,588.16x = 39,602,053,535.33
  5. Step 5: Solve for x
    x = 39,602,053,535.33/259,588.16
  6. Step 6: Final answer
    x = 152,557.24

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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.