Home / 202,001.58-278,750.93-111,357.41

Finding the Fourth Proportional to 202,001.58, 278,750.93 and 111,357.41

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Solution

The fourth proportional to 202,001.58, 278,750.93 and 111,357.41 is: 153,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,001.58 : 278,750.93 = 111,357.41 : x
  2. Step 2: Convert to fraction form
    202,001.58/278,750.93 = 111,357.41/x
  3. Step 3: Cross multiply
    202,001.58x = 278,750.93 × 111,357.41
  4. Step 4: Simplify right side
    202,001.58x = 31,040,979,649.35
  5. Step 5: Solve for x
    x = 31,040,979,649.35/202,001.58
  6. Step 6: Final answer
    x = 153,667.01

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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.