Home / 319,607.20-441,079.50-183,685.60

Finding the Fourth Proportional to 319,607.20, 441,079.50 and 183,685.60

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Solution

The fourth proportional to 319,607.20, 441,079.50 and 183,685.60 is: 253,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,607.20 : 441,079.50 = 183,685.60 : x
  2. Step 2: Convert to fraction form
    319,607.20/441,079.50 = 183,685.60/x
  3. Step 3: Cross multiply
    319,607.20x = 441,079.50 × 183,685.60
  4. Step 4: Simplify right side
    319,607.20x = 81,019,952,605.20
  5. Step 5: Solve for x
    x = 81,019,952,605.20/319,607.20
  6. Step 6: Final answer
    x = 253,498.52

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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.