Home / 185,909.40-278,864.10-61,234.20

Finding the Fourth Proportional to 185,909.40, 278,864.10 and 61,234.20

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Solution

The fourth proportional to 185,909.40, 278,864.10 and 61,234.20 is: 91,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.40 : 278,864.10 = 61,234.20 : x
  2. Step 2: Convert to fraction form
    185,909.40/278,864.10 = 61,234.20/x
  3. Step 3: Cross multiply
    185,909.40x = 278,864.10 × 61,234.20
  4. Step 4: Simplify right side
    185,909.40x = 17,076,020,072.22
  5. Step 5: Solve for x
    x = 17,076,020,072.22/185,909.40
  6. Step 6: Final answer
    x = 91,851.30

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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.