Home / 201,501.35-278,071.85-110,855.36

Finding the Fourth Proportional to 201,501.35, 278,071.85 and 110,855.36

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Solution

The fourth proportional to 201,501.35, 278,071.85 and 110,855.36 is: 152,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,501.35 : 278,071.85 = 110,855.36 : x
  2. Step 2: Convert to fraction form
    201,501.35/278,071.85 = 110,855.36/x
  3. Step 3: Cross multiply
    201,501.35x = 278,071.85 × 110,855.36
  4. Step 4: Simplify right side
    201,501.35x = 30,825,755,037.62
  5. Step 5: Solve for x
    x = 30,825,755,037.62/201,501.35
  6. Step 6: Final answer
    x = 152,980.39

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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.