Home / 217,088.41-299,573.31-121,590.22

Finding the Fourth Proportional to 217,088.41, 299,573.31 and 121,590.22

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Solution

The fourth proportional to 217,088.41, 299,573.31 and 121,590.22 is: 167,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,088.41 : 299,573.31 = 121,590.22 : x
  2. Step 2: Convert to fraction form
    217,088.41/299,573.31 = 121,590.22/x
  3. Step 3: Cross multiply
    217,088.41x = 299,573.31 × 121,590.22
  4. Step 4: Simplify right side
    217,088.41x = 36,425,184,669.03
  5. Step 5: Solve for x
    x = 36,425,184,669.03/217,088.41
  6. Step 6: Final answer
    x = 167,789.63

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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.