Home / 146,218.05-219,294.27-67,256.42

Finding the Fourth Proportional to 146,218.05, 219,294.27 and 67,256.42

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Solution

The fourth proportional to 146,218.05, 219,294.27 and 67,256.42 is: 100,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,218.05 : 219,294.27 = 67,256.42 : x
  2. Step 2: Convert to fraction form
    146,218.05/219,294.27 = 67,256.42/x
  3. Step 3: Cross multiply
    146,218.05x = 219,294.27 × 67,256.42
  4. Step 4: Simplify right side
    146,218.05x = 14,748,946,430.24
  5. Step 5: Solve for x
    x = 14,748,946,430.24/146,218.05
  6. Step 6: Final answer
    x = 100,869.53

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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.