Home / 217,848.18-326,827.71-127,966.90

Finding the Fourth Proportional to 217,848.18, 326,827.71 and 127,966.90

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Solution

The fourth proportional to 217,848.18, 326,827.71 and 127,966.90 is: 191,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,848.18 : 326,827.71 = 127,966.90 : x
  2. Step 2: Convert to fraction form
    217,848.18/326,827.71 = 127,966.90/x
  3. Step 3: Cross multiply
    217,848.18x = 326,827.71 × 127,966.90
  4. Step 4: Simplify right side
    217,848.18x = 41,823,128,242.96
  5. Step 5: Solve for x
    x = 41,823,128,242.96/217,848.18
  6. Step 6: Final answer
    x = 191,982.91

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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.