Home / 128,353.44-177,176.40-114,900.48

Finding the Fourth Proportional to 128,353.44, 177,176.40 and 114,900.48

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Solution

The fourth proportional to 128,353.44, 177,176.40 and 114,900.48 is: 158,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,353.44 : 177,176.40 = 114,900.48 : x
  2. Step 2: Convert to fraction form
    128,353.44/177,176.40 = 114,900.48/x
  3. Step 3: Cross multiply
    128,353.44x = 177,176.40 × 114,900.48
  4. Step 4: Simplify right side
    128,353.44x = 20,357,653,404.67
  5. Step 5: Solve for x
    x = 20,357,653,404.67/128,353.44
  6. Step 6: Final answer
    x = 158,606.22

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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.