Home / 117,266.60-175,918.58-42,379.16

Finding the Fourth Proportional to 117,266.60, 175,918.58 and 42,379.16

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Solution

The fourth proportional to 117,266.60, 175,918.58 and 42,379.16 is: 63,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,266.60 : 175,918.58 = 42,379.16 : x
  2. Step 2: Convert to fraction form
    117,266.60/175,918.58 = 42,379.16/x
  3. Step 3: Cross multiply
    117,266.60x = 175,918.58 × 42,379.16
  4. Step 4: Simplify right side
    117,266.60x = 7,455,281,648.79
  5. Step 5: Solve for x
    x = 7,455,281,648.79/117,266.60
  6. Step 6: Final answer
    x = 63,575.49

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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.