Home / 475,228.36-712,844.07-120,242.35

Finding the Fourth Proportional to 475,228.36, 712,844.07 and 120,242.35

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Solution

The fourth proportional to 475,228.36, 712,844.07 and 120,242.35 is: 180,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.36 : 712,844.07 = 120,242.35 : x
  2. Step 2: Convert to fraction form
    475,228.36/712,844.07 = 120,242.35/x
  3. Step 3: Cross multiply
    475,228.36x = 712,844.07 × 120,242.35
  4. Step 4: Simplify right side
    475,228.36x = 85,714,046,160.36
  5. Step 5: Solve for x
    x = 85,714,046,160.36/475,228.36
  6. Step 6: Final answer
    x = 180,363.91

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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.