Home / 119,267.40-178,901.10-111,394.20

Finding the Fourth Proportional to 119,267.40, 178,901.10 and 111,394.20

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Solution

The fourth proportional to 119,267.40, 178,901.10 and 111,394.20 is: 167,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,267.40 : 178,901.10 = 111,394.20 : x
  2. Step 2: Convert to fraction form
    119,267.40/178,901.10 = 111,394.20/x
  3. Step 3: Cross multiply
    119,267.40x = 178,901.10 × 111,394.20
  4. Step 4: Simplify right side
    119,267.40x = 19,928,544,913.62
  5. Step 5: Solve for x
    x = 19,928,544,913.62/119,267.40
  6. Step 6: Final answer
    x = 167,091.30

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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.