Home / 120,856.47-181,268.30-35,465.05

Finding the Fourth Proportional to 120,856.47, 181,268.30 and 35,465.05

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Solution

The fourth proportional to 120,856.47, 181,268.30 and 35,465.05 is: 53,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.47 : 181,268.30 = 35,465.05 : x
  2. Step 2: Convert to fraction form
    120,856.47/181,268.30 = 35,465.05/x
  3. Step 3: Cross multiply
    120,856.47x = 181,268.30 × 35,465.05
  4. Step 4: Simplify right side
    120,856.47x = 6,428,689,438.67
  5. Step 5: Solve for x
    x = 6,428,689,438.67/120,856.47
  6. Step 6: Final answer
    x = 53,192.76

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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.