Home / 291,531.66-437,358-123,053.40

Finding the Fourth Proportional to 291,531.66, 437,358 and 123,053.40

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Solution

The fourth proportional to 291,531.66, 437,358 and 123,053.40 is: 184,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,531.66 : 437,358 = 123,053.40 : x
  2. Step 2: Convert to fraction form
    291,531.66/437,358 = 123,053.40/x
  3. Step 3: Cross multiply
    291,531.66x = 437,358 × 123,053.40
  4. Step 4: Simplify right side
    291,531.66x = 53,818,388,917.20
  5. Step 5: Solve for x
    x = 53,818,388,917.20/291,531.66
  6. Step 6: Final answer
    x = 184,605.64

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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.