Home / 218,034.02-326,987.84-84,884.60

Finding the Fourth Proportional to 218,034.02, 326,987.84 and 84,884.60

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Solution

The fourth proportional to 218,034.02, 326,987.84 and 84,884.60 is: 127,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,034.02 : 326,987.84 = 84,884.60 : x
  2. Step 2: Convert to fraction form
    218,034.02/326,987.84 = 84,884.60/x
  3. Step 3: Cross multiply
    218,034.02x = 326,987.84 × 84,884.60
  4. Step 4: Simplify right side
    218,034.02x = 27,756,232,003.26
  5. Step 5: Solve for x
    x = 27,756,232,003.26/218,034.02
  6. Step 6: Final answer
    x = 127,302.30

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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.