Home / 217,784.06-326,606.94-70,005.50

Finding the Fourth Proportional to 217,784.06, 326,606.94 and 70,005.50

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Solution

The fourth proportional to 217,784.06, 326,606.94 and 70,005.50 is: 104,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784.06 : 326,606.94 = 70,005.50 : x
  2. Step 2: Convert to fraction form
    217,784.06/326,606.94 = 70,005.50/x
  3. Step 3: Cross multiply
    217,784.06x = 326,606.94 × 70,005.50
  4. Step 4: Simplify right side
    217,784.06x = 22,864,282,138.17
  5. Step 5: Solve for x
    x = 22,864,282,138.17/217,784.06
  6. Step 6: Final answer
    x = 104,986.02

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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.