Home / 130,873.48-196,291.32-42,115.48

Finding the Fourth Proportional to 130,873.48, 196,291.32 and 42,115.48

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Solution

The fourth proportional to 130,873.48, 196,291.32 and 42,115.48 is: 63,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,873.48 : 196,291.32 = 42,115.48 : x
  2. Step 2: Convert to fraction form
    130,873.48/196,291.32 = 42,115.48/x
  3. Step 3: Cross multiply
    130,873.48x = 196,291.32 × 42,115.48
  4. Step 4: Simplify right side
    130,873.48x = 8,266,903,161.63
  5. Step 5: Solve for x
    x = 8,266,903,161.63/130,873.48
  6. Step 6: Final answer
    x = 63,167.14

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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.