Home / 283,632.60-391,407.93-154,572.20

Finding the Fourth Proportional to 283,632.60, 391,407.93 and 154,572.20

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Solution

The fourth proportional to 283,632.60, 391,407.93 and 154,572.20 is: 213,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,632.60 : 391,407.93 = 154,572.20 : x
  2. Step 2: Convert to fraction form
    283,632.60/391,407.93 = 154,572.20/x
  3. Step 3: Cross multiply
    283,632.60x = 391,407.93 × 154,572.20
  4. Step 4: Simplify right side
    283,632.60x = 60,500,782,880.51
  5. Step 5: Solve for x
    x = 60,500,782,880.51/283,632.60
  6. Step 6: Final answer
    x = 213,306.87

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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.