Home / 119,011.07-178,519.19-43,116.38

Finding the Fourth Proportional to 119,011.07, 178,519.19 and 43,116.38

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Solution

The fourth proportional to 119,011.07, 178,519.19 and 43,116.38 is: 64,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,011.07 : 178,519.19 = 43,116.38 : x
  2. Step 2: Convert to fraction form
    119,011.07/178,519.19 = 43,116.38/x
  3. Step 3: Cross multiply
    119,011.07x = 178,519.19 × 43,116.38
  4. Step 4: Simplify right side
    119,011.07x = 7,697,102,041.30
  5. Step 5: Solve for x
    x = 7,697,102,041.30/119,011.07
  6. Step 6: Final answer
    x = 64,675.51

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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.