Home / 291,187.36-401,590.08-176,439.52

Finding the Fourth Proportional to 291,187.36, 401,590.08 and 176,439.52

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Solution

The fourth proportional to 291,187.36, 401,590.08 and 176,439.52 is: 243,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,187.36 : 401,590.08 = 176,439.52 : x
  2. Step 2: Convert to fraction form
    291,187.36/401,590.08 = 176,439.52/x
  3. Step 3: Cross multiply
    291,187.36x = 401,590.08 × 176,439.52
  4. Step 4: Simplify right side
    291,187.36x = 70,856,360,951.96
  5. Step 5: Solve for x
    x = 70,856,360,951.96/291,187.36
  6. Step 6: Final answer
    x = 243,335.98

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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.