Home / 202,341.75-279,217.29-111,683.17

Finding the Fourth Proportional to 202,341.75, 279,217.29 and 111,683.17

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Solution

The fourth proportional to 202,341.75, 279,217.29 and 111,683.17 is: 154,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,341.75 : 279,217.29 = 111,683.17 : x
  2. Step 2: Convert to fraction form
    202,341.75/279,217.29 = 111,683.17/x
  3. Step 3: Cross multiply
    202,341.75x = 279,217.29 × 111,683.17
  4. Step 4: Simplify right side
    202,341.75x = 31,183,872,066.01
  5. Step 5: Solve for x
    x = 31,183,872,066.01/202,341.75
  6. Step 6: Final answer
    x = 154,114.87

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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.