Home / 116,865.40-175,298.10-72,347.80

Finding the Fourth Proportional to 116,865.40, 175,298.10 and 72,347.80

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Solution

The fourth proportional to 116,865.40, 175,298.10 and 72,347.80 is: 108,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,865.40 : 175,298.10 = 72,347.80 : x
  2. Step 2: Convert to fraction form
    116,865.40/175,298.10 = 72,347.80/x
  3. Step 3: Cross multiply
    116,865.40x = 175,298.10 × 72,347.80
  4. Step 4: Simplify right side
    116,865.40x = 12,682,431,879.18
  5. Step 5: Solve for x
    x = 12,682,431,879.18/116,865.40
  6. Step 6: Final answer
    x = 108,521.70

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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.