Home / 219,987.38-303,587.13-124,494.05

Finding the Fourth Proportional to 219,987.38, 303,587.13 and 124,494.05

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Solution

The fourth proportional to 219,987.38, 303,587.13 and 124,494.05 is: 171,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,987.38 : 303,587.13 = 124,494.05 : x
  2. Step 2: Convert to fraction form
    219,987.38/303,587.13 = 124,494.05/x
  3. Step 3: Cross multiply
    219,987.38x = 303,587.13 × 124,494.05
  4. Step 4: Simplify right side
    219,987.38x = 37,794,791,341.58
  5. Step 5: Solve for x
    x = 37,794,791,341.58/219,987.38
  6. Step 6: Final answer
    x = 171,804.36

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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.