Home / 124,813.07-172,384.07-83,906.15

Finding the Fourth Proportional to 124,813.07, 172,384.07 and 83,906.15

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Solution

The fourth proportional to 124,813.07, 172,384.07 and 83,906.15 is: 115,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.07 : 172,384.07 = 83,906.15 : x
  2. Step 2: Convert to fraction form
    124,813.07/172,384.07 = 83,906.15/x
  3. Step 3: Cross multiply
    124,813.07x = 172,384.07 × 83,906.15
  4. Step 4: Simplify right side
    124,813.07x = 14,464,083,530.15
  5. Step 5: Solve for x
    x = 14,464,083,530.15/124,813.07
  6. Step 6: Final answer
    x = 115,885.97

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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.