Home / 262,785.02-393,928.16-85,167.22

Finding the Fourth Proportional to 262,785.02, 393,928.16 and 85,167.22

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Solution

The fourth proportional to 262,785.02, 393,928.16 and 85,167.22 is: 127,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,785.02 : 393,928.16 = 85,167.22 : x
  2. Step 2: Convert to fraction form
    262,785.02/393,928.16 = 85,167.22/x
  3. Step 3: Cross multiply
    262,785.02x = 393,928.16 × 85,167.22
  4. Step 4: Simplify right side
    262,785.02x = 33,549,766,266.92
  5. Step 5: Solve for x
    x = 33,549,766,266.92/262,785.02
  6. Step 6: Final answer
    x = 127,670.01

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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.