Home / 268,384.80-402,577.20-248,109.60

Finding the Fourth Proportional to 268,384.80, 402,577.20 and 248,109.60

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Solution

The fourth proportional to 268,384.80, 402,577.20 and 248,109.60 is: 372,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,384.80 : 402,577.20 = 248,109.60 : x
  2. Step 2: Convert to fraction form
    268,384.80/402,577.20 = 248,109.60/x
  3. Step 3: Cross multiply
    268,384.80x = 402,577.20 × 248,109.60
  4. Step 4: Simplify right side
    268,384.80x = 99,883,268,061.12
  5. Step 5: Solve for x
    x = 99,883,268,061.12/268,384.80
  6. Step 6: Final answer
    x = 372,164.40

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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.