Home / 124,808.16-172,208.13-73,823.70

Finding the Fourth Proportional to 124,808.16, 172,208.13 and 73,823.70

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Solution

The fourth proportional to 124,808.16, 172,208.13 and 73,823.70 is: 101,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,808.16 : 172,208.13 = 73,823.70 : x
  2. Step 2: Convert to fraction form
    124,808.16/172,208.13 = 73,823.70/x
  3. Step 3: Cross multiply
    124,808.16x = 172,208.13 × 73,823.70
  4. Step 4: Simplify right side
    124,808.16x = 12,713,041,326.68
  5. Step 5: Solve for x
    x = 12,713,041,326.68/124,808.16
  6. Step 6: Final answer
    x = 101,860.66

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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.