Home / 134,417.20-201,698.70-55,539.40

Finding the Fourth Proportional to 134,417.20, 201,698.70 and 55,539.40

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Solution

The fourth proportional to 134,417.20, 201,698.70 and 55,539.40 is: 83,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,417.20 : 201,698.70 = 55,539.40 : x
  2. Step 2: Convert to fraction form
    134,417.20/201,698.70 = 55,539.40/x
  3. Step 3: Cross multiply
    134,417.20x = 201,698.70 × 55,539.40
  4. Step 4: Simplify right side
    134,417.20x = 11,202,224,778.78
  5. Step 5: Solve for x
    x = 11,202,224,778.78/134,417.20
  6. Step 6: Final answer
    x = 83,339.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.