Home / 159,044.78-219,277.15-130,258.40

Finding the Fourth Proportional to 159,044.78, 219,277.15 and 130,258.40

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Solution

The fourth proportional to 159,044.78, 219,277.15 and 130,258.40 is: 179,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,044.78 : 219,277.15 = 130,258.40 : x
  2. Step 2: Convert to fraction form
    159,044.78/219,277.15 = 130,258.40/x
  3. Step 3: Cross multiply
    159,044.78x = 219,277.15 × 130,258.40
  4. Step 4: Simplify right side
    159,044.78x = 28,562,689,293.53
  5. Step 5: Solve for x
    x = 28,562,689,293.53/159,044.78
  6. Step 6: Final answer
    x = 179,588.97

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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.