Home / 176,453.92-243,535.44-128,864.80

Finding the Fourth Proportional to 176,453.92, 243,535.44 and 128,864.80

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Solution

The fourth proportional to 176,453.92, 243,535.44 and 128,864.80 is: 177,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,453.92 : 243,535.44 = 128,864.80 : x
  2. Step 2: Convert to fraction form
    176,453.92/243,535.44 = 128,864.80/x
  3. Step 3: Cross multiply
    176,453.92x = 243,535.44 × 128,864.80
  4. Step 4: Simplify right side
    176,453.92x = 31,383,145,768.51
  5. Step 5: Solve for x
    x = 31,383,145,768.51/176,453.92
  6. Step 6: Final answer
    x = 177,854.62

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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.