Home / 251,123.21-346,549.04-136,400.93

Finding the Fourth Proportional to 251,123.21, 346,549.04 and 136,400.93

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Solution

The fourth proportional to 251,123.21, 346,549.04 and 136,400.93 is: 188,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,123.21 : 346,549.04 = 136,400.93 : x
  2. Step 2: Convert to fraction form
    251,123.21/346,549.04 = 136,400.93/x
  3. Step 3: Cross multiply
    251,123.21x = 346,549.04 × 136,400.93
  4. Step 4: Simplify right side
    251,123.21x = 47,269,611,346.61
  5. Step 5: Solve for x
    x = 47,269,611,346.61/251,123.21
  6. Step 6: Final answer
    x = 188,232.75

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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.