Home / 116,890.80-175,336.20-67,124.40

Finding the Fourth Proportional to 116,890.80, 175,336.20 and 67,124.40

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Solution

The fourth proportional to 116,890.80, 175,336.20 and 67,124.40 is: 100,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,890.80 : 175,336.20 = 67,124.40 : x
  2. Step 2: Convert to fraction form
    116,890.80/175,336.20 = 67,124.40/x
  3. Step 3: Cross multiply
    116,890.80x = 175,336.20 × 67,124.40
  4. Step 4: Simplify right side
    116,890.80x = 11,769,337,223.28
  5. Step 5: Solve for x
    x = 11,769,337,223.28/116,890.80
  6. Step 6: Final answer
    x = 100,686.60

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1.5x scale

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.