Home / 134,050.20-201,148.20-55,172.40

Finding the Fourth Proportional to 134,050.20, 201,148.20 and 55,172.40

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Solution

The fourth proportional to 134,050.20, 201,148.20 and 55,172.40 is: 82,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,050.20 : 201,148.20 = 55,172.40 : x
  2. Step 2: Convert to fraction form
    134,050.20/201,148.20 = 55,172.40/x
  3. Step 3: Cross multiply
    134,050.20x = 201,148.20 × 55,172.40
  4. Step 4: Simplify right side
    134,050.20x = 11,097,828,949.68
  5. Step 5: Solve for x
    x = 11,097,828,949.68/134,050.20
  6. Step 6: Final answer
    x = 82,788.60

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1.5x scale

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.