Home / 217,415.10-326,122.65-59,643.30

Finding the Fourth Proportional to 217,415.10, 326,122.65 and 59,643.30

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Solution

The fourth proportional to 217,415.10, 326,122.65 and 59,643.30 is: 89,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,415.10 : 326,122.65 = 59,643.30 : x
  2. Step 2: Convert to fraction form
    217,415.10/326,122.65 = 59,643.30/x
  3. Step 3: Cross multiply
    217,415.10x = 326,122.65 × 59,643.30
  4. Step 4: Simplify right side
    217,415.10x = 19,451,031,050.75
  5. Step 5: Solve for x
    x = 19,451,031,050.75/217,415.10
  6. Step 6: Final answer
    x = 89,464.95

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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.