Home / 116,708.48-175,061.40-79,175.60

Finding the Fourth Proportional to 116,708.48, 175,061.40 and 79,175.60

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Solution

The fourth proportional to 116,708.48, 175,061.40 and 79,175.60 is: 118,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,708.48 : 175,061.40 = 79,175.60 : x
  2. Step 2: Convert to fraction form
    116,708.48/175,061.40 = 79,175.60/x
  3. Step 3: Cross multiply
    116,708.48x = 175,061.40 × 79,175.60
  4. Step 4: Simplify right side
    116,708.48x = 13,860,591,381.84
  5. Step 5: Solve for x
    x = 13,860,591,381.84/116,708.48
  6. Step 6: Final answer
    x = 118,762.50

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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.