Home / 110,312.80-165,441.86-31,427.71

Finding the Fourth Proportional to 110,312.80, 165,441.86 and 31,427.71

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Solution

The fourth proportional to 110,312.80, 165,441.86 and 31,427.71 is: 47,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,312.80 : 165,441.86 = 31,427.71 : x
  2. Step 2: Convert to fraction form
    110,312.80/165,441.86 = 31,427.71/x
  3. Step 3: Cross multiply
    110,312.80x = 165,441.86 × 31,427.71
  4. Step 4: Simplify right side
    110,312.80x = 5,199,458,345.05
  5. Step 5: Solve for x
    x = 5,199,458,345.05/110,312.80
  6. Step 6: Final answer
    x = 47,133.77

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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.