Home / 230,131.11-317,417.33-153,611.63

Finding the Fourth Proportional to 230,131.11, 317,417.33 and 153,611.63

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Solution

The fourth proportional to 230,131.11, 317,417.33 and 153,611.63 is: 211,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,131.11 : 317,417.33 = 153,611.63 : x
  2. Step 2: Convert to fraction form
    230,131.11/317,417.33 = 153,611.63/x
  3. Step 3: Cross multiply
    230,131.11x = 317,417.33 × 153,611.63
  4. Step 4: Simplify right side
    230,131.11x = 48,758,991,096.40
  5. Step 5: Solve for x
    x = 48,758,991,096.40/230,131.11
  6. Step 6: Final answer
    x = 211,874.84

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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.