Home / 223,276.08-334,925.06-90,139.73

Finding the Fourth Proportional to 223,276.08, 334,925.06 and 90,139.73

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Solution

The fourth proportional to 223,276.08, 334,925.06 and 90,139.73 is: 135,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,276.08 : 334,925.06 = 90,139.73 : x
  2. Step 2: Convert to fraction form
    223,276.08/334,925.06 = 90,139.73/x
  3. Step 3: Cross multiply
    223,276.08x = 334,925.06 × 90,139.73
  4. Step 4: Simplify right side
    223,276.08x = 30,190,052,353.31
  5. Step 5: Solve for x
    x = 30,190,052,353.31/223,276.08
  6. Step 6: Final answer
    x = 135,214.00

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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.