Home / 230,835.32-318,562.37-128,866.44

Finding the Fourth Proportional to 230,835.32, 318,562.37 and 128,866.44

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Solution

The fourth proportional to 230,835.32, 318,562.37 and 128,866.44 is: 177,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,835.32 : 318,562.37 = 128,866.44 : x
  2. Step 2: Convert to fraction form
    230,835.32/318,562.37 = 128,866.44/x
  3. Step 3: Cross multiply
    230,835.32x = 318,562.37 × 128,866.44
  4. Step 4: Simplify right side
    230,835.32x = 41,051,997,895.53
  5. Step 5: Solve for x
    x = 41,051,997,895.53/230,835.32
  6. Step 6: Final answer
    x = 177,841.06

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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.