Home / 146,070.28-201,576.96-79,002.28

Finding the Fourth Proportional to 146,070.28, 201,576.96 and 79,002.28

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Solution

The fourth proportional to 146,070.28, 201,576.96 and 79,002.28 is: 109,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,070.28 : 201,576.96 = 79,002.28 : x
  2. Step 2: Convert to fraction form
    146,070.28/201,576.96 = 79,002.28/x
  3. Step 3: Cross multiply
    146,070.28x = 201,576.96 × 79,002.28
  4. Step 4: Simplify right side
    146,070.28x = 15,925,039,435.47
  5. Step 5: Solve for x
    x = 15,925,039,435.47/146,070.28
  6. Step 6: Final answer
    x = 109,023.13

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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.