Home / 201,598.29-278,089.90-126,015.57

Finding the Fourth Proportional to 201,598.29, 278,089.90 and 126,015.57

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Solution

The fourth proportional to 201,598.29, 278,089.90 and 126,015.57 is: 173,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,598.29 : 278,089.90 = 126,015.57 : x
  2. Step 2: Convert to fraction form
    201,598.29/278,089.90 = 126,015.57/x
  3. Step 3: Cross multiply
    201,598.29x = 278,089.90 × 126,015.57
  4. Step 4: Simplify right side
    201,598.29x = 35,043,657,259.74
  5. Step 5: Solve for x
    x = 35,043,657,259.74/201,598.29
  6. Step 6: Final answer
    x = 173,829.14

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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.