Home / 291,092.13-436,688.01-133,334.10

Finding the Fourth Proportional to 291,092.13, 436,688.01 and 133,334.10

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Solution

The fourth proportional to 291,092.13, 436,688.01 and 133,334.10 is: 200,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,092.13 : 436,688.01 = 133,334.10 : x
  2. Step 2: Convert to fraction form
    291,092.13/436,688.01 = 133,334.10/x
  3. Step 3: Cross multiply
    291,092.13x = 436,688.01 × 133,334.10
  4. Step 4: Simplify right side
    291,092.13x = 58,225,402,794.14
  5. Step 5: Solve for x
    x = 58,225,402,794.14/291,092.13
  6. Step 6: Final answer
    x = 200,023.97

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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.