Home / 130,032.08-195,310.52-77,544.40

Finding the Fourth Proportional to 130,032.08, 195,310.52 and 77,544.40

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Solution

The fourth proportional to 130,032.08, 195,310.52 and 77,544.40 is: 116,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032.08 : 195,310.52 = 77,544.40 : x
  2. Step 2: Convert to fraction form
    130,032.08/195,310.52 = 77,544.40/x
  3. Step 3: Cross multiply
    130,032.08x = 195,310.52 × 77,544.40
  4. Step 4: Simplify right side
    130,032.08x = 15,145,237,087.09
  5. Step 5: Solve for x
    x = 15,145,237,087.09/130,032.08
  6. Step 6: Final answer
    x = 116,473.08

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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.