Home / 453,111.23-679,622.90-137,570.87

Finding the Fourth Proportional to 453,111.23, 679,622.90 and 137,570.87

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Solution

The fourth proportional to 453,111.23, 679,622.90 and 137,570.87 is: 206,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,111.23 : 679,622.90 = 137,570.87 : x
  2. Step 2: Convert to fraction form
    453,111.23/679,622.90 = 137,570.87/x
  3. Step 3: Cross multiply
    453,111.23x = 679,622.90 × 137,570.87
  4. Step 4: Simplify right side
    453,111.23x = 93,496,313,624.92
  5. Step 5: Solve for x
    x = 93,496,313,624.92/453,111.23
  6. Step 6: Final answer
    x = 206,342.96

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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.