Home / 130,098.16-179,565.48-84,697.09

Finding the Fourth Proportional to 130,098.16, 179,565.48 and 84,697.09

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Solution

The fourth proportional to 130,098.16, 179,565.48 and 84,697.09 is: 116,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.16 : 179,565.48 = 84,697.09 : x
  2. Step 2: Convert to fraction form
    130,098.16/179,565.48 = 84,697.09/x
  3. Step 3: Cross multiply
    130,098.16x = 179,565.48 × 84,697.09
  4. Step 4: Simplify right side
    130,098.16x = 15,208,673,620.45
  5. Step 5: Solve for x
    x = 15,208,673,620.45/130,098.16
  6. Step 6: Final answer
    x = 116,901.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.