Home / 236,423-326,219.10-140,938.58

Finding the Fourth Proportional to 236,423, 326,219.10 and 140,938.58

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Solution

The fourth proportional to 236,423, 326,219.10 and 140,938.58 is: 194,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,423 : 326,219.10 = 140,938.58 : x
  2. Step 2: Convert to fraction form
    236,423/326,219.10 = 140,938.58/x
  3. Step 3: Cross multiply
    236,423x = 326,219.10 × 140,938.58
  4. Step 4: Simplify right side
    236,423x = 45,976,856,722.88
  5. Step 5: Solve for x
    x = 45,976,856,722.88/236,423
  6. Step 6: Final answer
    x = 194,468.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.