Home / 179,296.40-268,944.60-109,312.40

Finding the Fourth Proportional to 179,296.40, 268,944.60 and 109,312.40

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Solution

The fourth proportional to 179,296.40, 268,944.60 and 109,312.40 is: 163,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,296.40 : 268,944.60 = 109,312.40 : x
  2. Step 2: Convert to fraction form
    179,296.40/268,944.60 = 109,312.40/x
  3. Step 3: Cross multiply
    179,296.40x = 268,944.60 × 109,312.40
  4. Step 4: Simplify right side
    179,296.40x = 29,398,979,693.04
  5. Step 5: Solve for x
    x = 29,398,979,693.04/179,296.40
  6. Step 6: Final answer
    x = 163,968.60

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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.