Home / 150,096.96-207,158.16-86,421.36

Finding the Fourth Proportional to 150,096.96, 207,158.16 and 86,421.36

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Solution

The fourth proportional to 150,096.96, 207,158.16 and 86,421.36 is: 119,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,096.96 : 207,158.16 = 86,421.36 : x
  2. Step 2: Convert to fraction form
    150,096.96/207,158.16 = 86,421.36/x
  3. Step 3: Cross multiply
    150,096.96x = 207,158.16 × 86,421.36
  4. Step 4: Simplify right side
    150,096.96x = 17,902,889,922.30
  5. Step 5: Solve for x
    x = 17,902,889,922.30/150,096.96
  6. Step 6: Final answer
    x = 119,275.50

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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.