Home / 291,156.90-401,715.81-174,840.36

Finding the Fourth Proportional to 291,156.90, 401,715.81 and 174,840.36

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Solution

The fourth proportional to 291,156.90, 401,715.81 and 174,840.36 is: 241,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,156.90 : 401,715.81 = 174,840.36 : x
  2. Step 2: Convert to fraction form
    291,156.90/401,715.81 = 174,840.36/x
  3. Step 3: Cross multiply
    291,156.90x = 401,715.81 × 174,840.36
  4. Step 4: Simplify right side
    291,156.90x = 70,236,137,842.38
  5. Step 5: Solve for x
    x = 70,236,137,842.38/291,156.90
  6. Step 6: Final answer
    x = 241,231.23

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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.