Home / 157,225.08-216,557.37-120,856.98

Finding the Fourth Proportional to 157,225.08, 216,557.37 and 120,856.98

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Solution

The fourth proportional to 157,225.08, 216,557.37 and 120,856.98 is: 166,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,225.08 : 216,557.37 = 120,856.98 : x
  2. Step 2: Convert to fraction form
    157,225.08/216,557.37 = 120,856.98/x
  3. Step 3: Cross multiply
    157,225.08x = 216,557.37 × 120,856.98
  4. Step 4: Simplify right side
    157,225.08x = 26,172,469,734.94
  5. Step 5: Solve for x
    x = 26,172,469,734.94/157,225.08
  6. Step 6: Final answer
    x = 166,464.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.