Home / 119,012.18-178,518.89-40,127.09

Finding the Fourth Proportional to 119,012.18, 178,518.89 and 40,127.09

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Solution

The fourth proportional to 119,012.18, 178,518.89 and 40,127.09 is: 60,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,012.18 : 178,518.89 = 40,127.09 : x
  2. Step 2: Convert to fraction form
    119,012.18/178,518.89 = 40,127.09/x
  3. Step 3: Cross multiply
    119,012.18x = 178,518.89 × 40,127.09
  4. Step 4: Simplify right side
    119,012.18x = 7,163,443,565.73
  5. Step 5: Solve for x
    x = 7,163,443,565.73/119,012.18
  6. Step 6: Final answer
    x = 60,190.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.