Home / 209,196.96-288,603.45-124,297.62

Finding the Fourth Proportional to 209,196.96, 288,603.45 and 124,297.62

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Solution

The fourth proportional to 209,196.96, 288,603.45 and 124,297.62 is: 171,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,196.96 : 288,603.45 = 124,297.62 : x
  2. Step 2: Convert to fraction form
    209,196.96/288,603.45 = 124,297.62/x
  3. Step 3: Cross multiply
    209,196.96x = 288,603.45 × 124,297.62
  4. Step 4: Simplify right side
    209,196.96x = 35,872,721,958.79
  5. Step 5: Solve for x
    x = 35,872,721,958.79/209,196.96
  6. Step 6: Final answer
    x = 171,478.22

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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.