Home / 319,117.80-440,259.12-183,102.60

Finding the Fourth Proportional to 319,117.80, 440,259.12 and 183,102.60

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Solution

The fourth proportional to 319,117.80, 440,259.12 and 183,102.60 is: 252,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,117.80 : 440,259.12 = 183,102.60 : x
  2. Step 2: Convert to fraction form
    319,117.80/440,259.12 = 183,102.60/x
  3. Step 3: Cross multiply
    319,117.80x = 440,259.12 × 183,102.60
  4. Step 4: Simplify right side
    319,117.80x = 80,612,589,545.71
  5. Step 5: Solve for x
    x = 80,612,589,545.71/319,117.80
  6. Step 6: Final answer
    x = 252,610.76

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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.