Home / 124,813.58-172,384.76-83,906.65

Finding the Fourth Proportional to 124,813.58, 172,384.76 and 83,906.65

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Solution

The fourth proportional to 124,813.58, 172,384.76 and 83,906.65 is: 115,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.58 : 172,384.76 = 83,906.65 : x
  2. Step 2: Convert to fraction form
    124,813.58/172,384.76 = 83,906.65/x
  3. Step 3: Cross multiply
    124,813.58x = 172,384.76 × 83,906.65
  4. Step 4: Simplify right side
    124,813.58x = 14,464,227,722.65
  5. Step 5: Solve for x
    x = 14,464,227,722.65/124,813.58
  6. Step 6: Final answer
    x = 115,886.66

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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.