Home / 218,798.26-328,222.02-68,994.23

Finding the Fourth Proportional to 218,798.26, 328,222.02 and 68,994.23

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Solution

The fourth proportional to 218,798.26, 328,222.02 and 68,994.23 is: 103,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,798.26 : 328,222.02 = 68,994.23 : x
  2. Step 2: Convert to fraction form
    218,798.26/328,222.02 = 68,994.23/x
  3. Step 3: Cross multiply
    218,798.26x = 328,222.02 × 68,994.23
  4. Step 4: Simplify right side
    218,798.26x = 22,645,426,002.81
  5. Step 5: Solve for x
    x = 22,645,426,002.81/218,798.26
  6. Step 6: Final answer
    x = 103,499.11

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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.