Home / 283,549.23-391,297.95-156,223.71

Finding the Fourth Proportional to 283,549.23, 391,297.95 and 156,223.71

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Solution

The fourth proportional to 283,549.23, 391,297.95 and 156,223.71 is: 215,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,549.23 : 391,297.95 = 156,223.71 : x
  2. Step 2: Convert to fraction form
    283,549.23/391,297.95 = 156,223.71/x
  3. Step 3: Cross multiply
    283,549.23x = 391,297.95 × 156,223.71
  4. Step 4: Simplify right side
    283,549.23x = 61,130,017,464.39
  5. Step 5: Solve for x
    x = 61,130,017,464.39/283,549.23
  6. Step 6: Final answer
    x = 215,588.73

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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.