Home / 116,870.40-175,305.60-72,352.80

Finding the Fourth Proportional to 116,870.40, 175,305.60 and 72,352.80

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Solution

The fourth proportional to 116,870.40, 175,305.60 and 72,352.80 is: 108,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,870.40 : 175,305.60 = 72,352.80 : x
  2. Step 2: Convert to fraction form
    116,870.40/175,305.60 = 72,352.80/x
  3. Step 3: Cross multiply
    116,870.40x = 175,305.60 × 72,352.80
  4. Step 4: Simplify right side
    116,870.40x = 12,683,851,015.68
  5. Step 5: Solve for x
    x = 12,683,851,015.68/116,870.40
  6. Step 6: Final answer
    x = 108,529.20

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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.