Home / 217,083.69-299,581.34-121,588.29

Finding the Fourth Proportional to 217,083.69, 299,581.34 and 121,588.29

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Solution

The fourth proportional to 217,083.69, 299,581.34 and 121,588.29 is: 167,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,083.69 : 299,581.34 = 121,588.29 : x
  2. Step 2: Convert to fraction form
    217,083.69/299,581.34 = 121,588.29/x
  3. Step 3: Cross multiply
    217,083.69x = 299,581.34 × 121,588.29
  4. Step 4: Simplify right side
    217,083.69x = 36,425,582,238.57
  5. Step 5: Solve for x
    x = 36,425,582,238.57/217,083.69
  6. Step 6: Final answer
    x = 167,795.11

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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.