Home / 206,782.32-285,386.10-126,192.80

Finding the Fourth Proportional to 206,782.32, 285,386.10 and 126,192.80

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Solution

The fourth proportional to 206,782.32, 285,386.10 and 126,192.80 is: 174,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,782.32 : 285,386.10 = 126,192.80 : x
  2. Step 2: Convert to fraction form
    206,782.32/285,386.10 = 126,192.80/x
  3. Step 3: Cross multiply
    206,782.32x = 285,386.10 × 126,192.80
  4. Step 4: Simplify right side
    206,782.32x = 36,013,671,040.08
  5. Step 5: Solve for x
    x = 36,013,671,040.08/206,782.32
  6. Step 6: Final answer
    x = 174,162.24

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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.