Home / 120,856.08-181,097.82-64,703.64

Finding the Fourth Proportional to 120,856.08, 181,097.82 and 64,703.64

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Solution

The fourth proportional to 120,856.08, 181,097.82 and 64,703.64 is: 96,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.08 : 181,097.82 = 64,703.64 : x
  2. Step 2: Convert to fraction form
    120,856.08/181,097.82 = 64,703.64/x
  3. Step 3: Cross multiply
    120,856.08x = 181,097.82 × 64,703.64
  4. Step 4: Simplify right side
    120,856.08x = 11,717,688,150.06
  5. Step 5: Solve for x
    x = 11,717,688,150.06/120,856.08
  6. Step 6: Final answer
    x = 96,955.72

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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.