Home / 193,117.70-290,004.60-143,254.10

Finding the Fourth Proportional to 193,117.70, 290,004.60 and 143,254.10

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Solution

The fourth proportional to 193,117.70, 290,004.60 and 143,254.10 is: 215,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,117.70 : 290,004.60 = 143,254.10 : x
  2. Step 2: Convert to fraction form
    193,117.70/290,004.60 = 143,254.10/x
  3. Step 3: Cross multiply
    193,117.70x = 290,004.60 × 143,254.10
  4. Step 4: Simplify right side
    193,117.70x = 41,544,347,968.86
  5. Step 5: Solve for x
    x = 41,544,347,968.86/193,117.70
  6. Step 6: Final answer
    x = 215,124.50

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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.