Home / 121,916.22-182,886.63-45,995.71

Finding the Fourth Proportional to 121,916.22, 182,886.63 and 45,995.71

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Solution

The fourth proportional to 121,916.22, 182,886.63 and 45,995.71 is: 68,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,916.22 : 182,886.63 = 45,995.71 : x
  2. Step 2: Convert to fraction form
    121,916.22/182,886.63 = 45,995.71/x
  3. Step 3: Cross multiply
    121,916.22x = 182,886.63 × 45,995.71
  4. Step 4: Simplify right side
    121,916.22x = 8,412,000,396.36
  5. Step 5: Solve for x
    x = 8,412,000,396.36/121,916.22
  6. Step 6: Final answer
    x = 68,998.21

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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.