Home / 291,206.64-401,828.28-170,324.16

Finding the Fourth Proportional to 291,206.64, 401,828.28 and 170,324.16

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Solution

The fourth proportional to 291,206.64, 401,828.28 and 170,324.16 is: 235,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,206.64 : 401,828.28 = 170,324.16 : x
  2. Step 2: Convert to fraction form
    291,206.64/401,828.28 = 170,324.16/x
  3. Step 3: Cross multiply
    291,206.64x = 401,828.28 × 170,324.16
  4. Step 4: Simplify right side
    291,206.64x = 68,441,064,255.24
  5. Step 5: Solve for x
    x = 68,441,064,255.24/291,206.64
  6. Step 6: Final answer
    x = 235,025.77

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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.