Home / 201,475.71-278,043.03-110,838.60

Finding the Fourth Proportional to 201,475.71, 278,043.03 and 110,838.60

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Solution

The fourth proportional to 201,475.71, 278,043.03 and 110,838.60 is: 152,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,475.71 : 278,043.03 = 110,838.60 : x
  2. Step 2: Convert to fraction form
    201,475.71/278,043.03 = 110,838.60/x
  3. Step 3: Cross multiply
    201,475.71x = 278,043.03 × 110,838.60
  4. Step 4: Simplify right side
    201,475.71x = 30,817,900,184.96
  5. Step 5: Solve for x
    x = 30,817,900,184.96/201,475.71
  6. Step 6: Final answer
    x = 152,960.87

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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.