Home / 201,513.16-278,088.15-110,867.20

Finding the Fourth Proportional to 201,513.16, 278,088.15 and 110,867.20

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Solution

The fourth proportional to 201,513.16, 278,088.15 and 110,867.20 is: 152,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,513.16 : 278,088.15 = 110,867.20 : x
  2. Step 2: Convert to fraction form
    201,513.16/278,088.15 = 110,867.20/x
  3. Step 3: Cross multiply
    201,513.16x = 278,088.15 × 110,867.20
  4. Step 4: Simplify right side
    201,513.16x = 30,830,854,543.68
  5. Step 5: Solve for x
    x = 30,830,854,543.68/201,513.16
  6. Step 6: Final answer
    x = 152,996.73

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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.