Home / 216,151.34-298,293.89-135,582.26

Finding the Fourth Proportional to 216,151.34, 298,293.89 and 135,582.26

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Solution

The fourth proportional to 216,151.34, 298,293.89 and 135,582.26 is: 187,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,151.34 : 298,293.89 = 135,582.26 : x
  2. Step 2: Convert to fraction form
    216,151.34/298,293.89 = 135,582.26/x
  3. Step 3: Cross multiply
    216,151.34x = 298,293.89 × 135,582.26
  4. Step 4: Simplify right side
    216,151.34x = 40,443,359,750.39
  5. Step 5: Solve for x
    x = 40,443,359,750.39/216,151.34
  6. Step 6: Final answer
    x = 187,106.68

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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.