Home / 353,038.64-487,179.04-191,890

Finding the Fourth Proportional to 353,038.64, 487,179.04 and 191,890

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Solution

The fourth proportional to 353,038.64, 487,179.04 and 191,890 is: 264,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,038.64 : 487,179.04 = 191,890 : x
  2. Step 2: Convert to fraction form
    353,038.64/487,179.04 = 191,890/x
  3. Step 3: Cross multiply
    353,038.64x = 487,179.04 × 191,890
  4. Step 4: Simplify right side
    353,038.64x = 93,484,785,985.60
  5. Step 5: Solve for x
    x = 93,484,785,985.60/353,038.64
  6. Step 6: Final answer
    x = 264,800.44

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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.