Home / 226,313.87-312,318.35-124,345.69

Finding the Fourth Proportional to 226,313.87, 312,318.35 and 124,345.69

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Solution

The fourth proportional to 226,313.87, 312,318.35 and 124,345.69 is: 171,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,313.87 : 312,318.35 = 124,345.69 : x
  2. Step 2: Convert to fraction form
    226,313.87/312,318.35 = 124,345.69/x
  3. Step 3: Cross multiply
    226,313.87x = 312,318.35 × 124,345.69
  4. Step 4: Simplify right side
    226,313.87x = 38,835,438,547.09
  5. Step 5: Solve for x
    x = 38,835,438,547.09/226,313.87
  6. Step 6: Final answer
    x = 171,599.91

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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.