Home / 119,317.07-178,937.79-40,412.85

Finding the Fourth Proportional to 119,317.07, 178,937.79 and 40,412.85

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Solution

The fourth proportional to 119,317.07, 178,937.79 and 40,412.85 is: 60,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,317.07 : 178,937.79 = 40,412.85 : x
  2. Step 2: Convert to fraction form
    119,317.07/178,937.79 = 40,412.85/x
  3. Step 3: Cross multiply
    119,317.07x = 178,937.79 × 40,412.85
  4. Step 4: Simplify right side
    119,317.07x = 7,231,386,066.60
  5. Step 5: Solve for x
    x = 7,231,386,066.60/119,317.07
  6. Step 6: Final answer
    x = 60,606.47

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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.