Home / 217,216.08-326,000.16-112,065.12

Finding the Fourth Proportional to 217,216.08, 326,000.16 and 112,065.12

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Solution

The fourth proportional to 217,216.08, 326,000.16 and 112,065.12 is: 168,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,216.08 : 326,000.16 = 112,065.12 : x
  2. Step 2: Convert to fraction form
    217,216.08/326,000.16 = 112,065.12/x
  3. Step 3: Cross multiply
    217,216.08x = 326,000.16 × 112,065.12
  4. Step 4: Simplify right side
    217,216.08x = 36,533,247,050.42
  5. Step 5: Solve for x
    x = 36,533,247,050.42/217,216.08
  6. Step 6: Final answer
    x = 168,188.50

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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.