Home / 197,943.12-296,931.12-64,820.48

Finding the Fourth Proportional to 197,943.12, 296,931.12 and 64,820.48

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Solution

The fourth proportional to 197,943.12, 296,931.12 and 64,820.48 is: 97,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,943.12 : 296,931.12 = 64,820.48 : x
  2. Step 2: Convert to fraction form
    197,943.12/296,931.12 = 64,820.48/x
  3. Step 3: Cross multiply
    197,943.12x = 296,931.12 × 64,820.48
  4. Step 4: Simplify right side
    197,943.12x = 19,247,217,725.34
  5. Step 5: Solve for x
    x = 19,247,217,725.34/197,943.12
  6. Step 6: Final answer
    x = 97,236.10

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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.