Home / 134,062.40-201,093.60-86,823.20

Finding the Fourth Proportional to 134,062.40, 201,093.60 and 86,823.20

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Solution

The fourth proportional to 134,062.40, 201,093.60 and 86,823.20 is: 130,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,062.40 : 201,093.60 = 86,823.20 : x
  2. Step 2: Convert to fraction form
    134,062.40/201,093.60 = 86,823.20/x
  3. Step 3: Cross multiply
    134,062.40x = 201,093.60 × 86,823.20
  4. Step 4: Simplify right side
    134,062.40x = 17,459,589,851.52
  5. Step 5: Solve for x
    x = 17,459,589,851.52/134,062.40
  6. Step 6: Final answer
    x = 130,234.80

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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.