Home / 217,567.64-326,296.10-67,780.01

Finding the Fourth Proportional to 217,567.64, 326,296.10 and 67,780.01

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Solution

The fourth proportional to 217,567.64, 326,296.10 and 67,780.01 is: 101,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,567.64 : 326,296.10 = 67,780.01 : x
  2. Step 2: Convert to fraction form
    217,567.64/326,296.10 = 67,780.01/x
  3. Step 3: Cross multiply
    217,567.64x = 326,296.10 × 67,780.01
  4. Step 4: Simplify right side
    217,567.64x = 22,116,351,689.47
  5. Step 5: Solve for x
    x = 22,116,351,689.47/217,567.64
  6. Step 6: Final answer
    x = 101,652.76

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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.