Home / 238,216.04-328,742.24-130,790.60

Finding the Fourth Proportional to 238,216.04, 328,742.24 and 130,790.60

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Solution

The fourth proportional to 238,216.04, 328,742.24 and 130,790.60 is: 180,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,216.04 : 328,742.24 = 130,790.60 : x
  2. Step 2: Convert to fraction form
    238,216.04/328,742.24 = 130,790.60/x
  3. Step 3: Cross multiply
    238,216.04x = 328,742.24 × 130,790.60
  4. Step 4: Simplify right side
    238,216.04x = 42,996,394,814.94
  5. Step 5: Solve for x
    x = 42,996,394,814.94/238,216.04
  6. Step 6: Final answer
    x = 180,493.28

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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.