Home / 230,174.28-317,617.83-128,196.27

Finding the Fourth Proportional to 230,174.28, 317,617.83 and 128,196.27

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Solution

The fourth proportional to 230,174.28, 317,617.83 and 128,196.27 is: 176,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,174.28 : 317,617.83 = 128,196.27 : x
  2. Step 2: Convert to fraction form
    230,174.28/317,617.83 = 128,196.27/x
  3. Step 3: Cross multiply
    230,174.28x = 317,617.83 × 128,196.27
  4. Step 4: Simplify right side
    230,174.28x = 40,717,421,091.49
  5. Step 5: Solve for x
    x = 40,717,421,091.49/230,174.28
  6. Step 6: Final answer
    x = 176,898.22

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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.