Home / 191,314.28-263,942.36-119,667.08

Finding the Fourth Proportional to 191,314.28, 263,942.36 and 119,667.08

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Solution

The fourth proportional to 191,314.28, 263,942.36 and 119,667.08 is: 165,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,314.28 : 263,942.36 = 119,667.08 : x
  2. Step 2: Convert to fraction form
    191,314.28/263,942.36 = 119,667.08/x
  3. Step 3: Cross multiply
    191,314.28x = 263,942.36 × 119,667.08
  4. Step 4: Simplify right side
    191,314.28x = 31,585,211,509.51
  5. Step 5: Solve for x
    x = 31,585,211,509.51/191,314.28
  6. Step 6: Final answer
    x = 165,095.94

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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.