Home / 130,431.32-195,291.27-98,745.53

Finding the Fourth Proportional to 130,431.32, 195,291.27 and 98,745.53

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Solution

The fourth proportional to 130,431.32, 195,291.27 and 98,745.53 is: 147,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,431.32 : 195,291.27 = 98,745.53 : x
  2. Step 2: Convert to fraction form
    130,431.32/195,291.27 = 98,745.53/x
  3. Step 3: Cross multiply
    130,431.32x = 195,291.27 × 98,745.53
  4. Step 4: Simplify right side
    130,431.32x = 19,284,138,984.07
  5. Step 5: Solve for x
    x = 19,284,138,984.07/130,431.32
  6. Step 6: Final answer
    x = 147,849.00

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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.