Home / 142,615.64-196,812.23-82,176.08

Finding the Fourth Proportional to 142,615.64, 196,812.23 and 82,176.08

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Solution

The fourth proportional to 142,615.64, 196,812.23 and 82,176.08 is: 113,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,615.64 : 196,812.23 = 82,176.08 : x
  2. Step 2: Convert to fraction form
    142,615.64/196,812.23 = 82,176.08/x
  3. Step 3: Cross multiply
    142,615.64x = 196,812.23 × 82,176.08
  4. Step 4: Simplify right side
    142,615.64x = 16,173,256,162.52
  5. Step 5: Solve for x
    x = 16,173,256,162.52/142,615.64
  6. Step 6: Final answer
    x = 113,404.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.