Home / 292,311.12-403,389.12-158,175.12

Finding the Fourth Proportional to 292,311.12, 403,389.12 and 158,175.12

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Solution

The fourth proportional to 292,311.12, 403,389.12 and 158,175.12 is: 218,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,311.12 : 403,389.12 = 158,175.12 : x
  2. Step 2: Convert to fraction form
    292,311.12/403,389.12 = 158,175.12/x
  3. Step 3: Cross multiply
    292,311.12x = 403,389.12 × 158,175.12
  4. Step 4: Simplify right side
    292,311.12x = 63,806,122,462.69
  5. Step 5: Solve for x
    x = 63,806,122,462.69/292,311.12
  6. Step 6: Final answer
    x = 218,281.54

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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.