Home / 205,003.96-282,924.94-128,535.16

Finding the Fourth Proportional to 205,003.96, 282,924.94 and 128,535.16

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Solution

The fourth proportional to 205,003.96, 282,924.94 and 128,535.16 is: 177,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,003.96 : 282,924.94 = 128,535.16 : x
  2. Step 2: Convert to fraction form
    205,003.96/282,924.94 = 128,535.16/x
  3. Step 3: Cross multiply
    205,003.96x = 282,924.94 × 128,535.16
  4. Step 4: Simplify right side
    205,003.96x = 36,365,802,430.89
  5. Step 5: Solve for x
    x = 36,365,802,430.89/205,003.96
  6. Step 6: Final answer
    x = 177,390.73

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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.