Home / 116,035.20-174,214.80-74,174.40

Finding the Fourth Proportional to 116,035.20, 174,214.80 and 74,174.40

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Solution

The fourth proportional to 116,035.20, 174,214.80 and 74,174.40 is: 111,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,035.20 : 174,214.80 = 74,174.40 : x
  2. Step 2: Convert to fraction form
    116,035.20/174,214.80 = 74,174.40/x
  3. Step 3: Cross multiply
    116,035.20x = 174,214.80 × 74,174.40
  4. Step 4: Simplify right side
    116,035.20x = 12,922,278,261.12
  5. Step 5: Solve for x
    x = 12,922,278,261.12/116,035.20
  6. Step 6: Final answer
    x = 111,365.16

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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.