Home / 116,001.20-174,163.80-74,140.40

Finding the Fourth Proportional to 116,001.20, 174,163.80 and 74,140.40

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Solution

The fourth proportional to 116,001.20, 174,163.80 and 74,140.40 is: 111,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.20 : 174,163.80 = 74,140.40 : x
  2. Step 2: Convert to fraction form
    116,001.20/174,163.80 = 74,140.40/x
  3. Step 3: Cross multiply
    116,001.20x = 174,163.80 × 74,140.40
  4. Step 4: Simplify right side
    116,001.20x = 12,912,573,797.52
  5. Step 5: Solve for x
    x = 12,912,573,797.52/116,001.20
  6. Step 6: Final answer
    x = 111,314.14

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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.