Home / 341,341.76-511,631.10-127,904.36

Finding the Fourth Proportional to 341,341.76, 511,631.10 and 127,904.36

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Solution

The fourth proportional to 341,341.76, 511,631.10 and 127,904.36 is: 191,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341.76 : 511,631.10 = 127,904.36 : x
  2. Step 2: Convert to fraction form
    341,341.76/511,631.10 = 127,904.36/x
  3. Step 3: Cross multiply
    341,341.76x = 511,631.10 × 127,904.36
  4. Step 4: Simplify right side
    341,341.76x = 65,439,848,401.60
  5. Step 5: Solve for x
    x = 65,439,848,401.60/341,341.76
  6. Step 6: Final answer
    x = 191,713.57

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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.