Home / 453,116.86-679,631.34-137,576.50

Finding the Fourth Proportional to 453,116.86, 679,631.34 and 137,576.50

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Solution

The fourth proportional to 453,116.86, 679,631.34 and 137,576.50 is: 206,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,116.86 : 679,631.34 = 137,576.50 : x
  2. Step 2: Convert to fraction form
    453,116.86/679,631.34 = 137,576.50/x
  3. Step 3: Cross multiply
    453,116.86x = 679,631.34 × 137,576.50
  4. Step 4: Simplify right side
    453,116.86x = 93,501,301,047.51
  5. Step 5: Solve for x
    x = 93,501,301,047.51/453,116.86
  6. Step 6: Final answer
    x = 206,351.41

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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.