Home / 209,370.51-314,187.03-109,610.55

Finding the Fourth Proportional to 209,370.51, 314,187.03 and 109,610.55

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Solution

The fourth proportional to 209,370.51, 314,187.03 and 109,610.55 is: 164,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,370.51 : 314,187.03 = 109,610.55 : x
  2. Step 2: Convert to fraction form
    209,370.51/314,187.03 = 109,610.55/x
  3. Step 3: Cross multiply
    209,370.51x = 314,187.03 × 109,610.55
  4. Step 4: Simplify right side
    209,370.51x = 34,438,213,161.17
  5. Step 5: Solve for x
    x = 34,438,213,161.17/209,370.51
  6. Step 6: Final answer
    x = 164,484.55

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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.