Home / 217,426.03-326,169.81-67,681.46

Finding the Fourth Proportional to 217,426.03, 326,169.81 and 67,681.46

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Solution

The fourth proportional to 217,426.03, 326,169.81 and 67,681.46 is: 101,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,426.03 : 326,169.81 = 67,681.46 : x
  2. Step 2: Convert to fraction form
    217,426.03/326,169.81 = 67,681.46/x
  3. Step 3: Cross multiply
    217,426.03x = 326,169.81 × 67,681.46
  4. Step 4: Simplify right side
    217,426.03x = 22,075,648,119.80
  5. Step 5: Solve for x
    x = 22,075,648,119.80/217,426.03
  6. Step 6: Final answer
    x = 101,531.76

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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.