Home / 228,848.16-315,818.12-126,867.54

Finding the Fourth Proportional to 228,848.16, 315,818.12 and 126,867.54

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Solution

The fourth proportional to 228,848.16, 315,818.12 and 126,867.54 is: 175,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,848.16 : 315,818.12 = 126,867.54 : x
  2. Step 2: Convert to fraction form
    228,848.16/315,818.12 = 126,867.54/x
  3. Step 3: Cross multiply
    228,848.16x = 315,818.12 × 126,867.54
  4. Step 4: Simplify right side
    228,848.16x = 40,067,067,971.82
  5. Step 5: Solve for x
    x = 40,067,067,971.82/228,848.16
  6. Step 6: Final answer
    x = 175,081.45

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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.