Home / 163,605.12-245,362.32-103,594.56

Finding the Fourth Proportional to 163,605.12, 245,362.32 and 103,594.56

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Solution

The fourth proportional to 163,605.12, 245,362.32 and 103,594.56 is: 155,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,605.12 : 245,362.32 = 103,594.56 : x
  2. Step 2: Convert to fraction form
    163,605.12/245,362.32 = 103,594.56/x
  3. Step 3: Cross multiply
    163,605.12x = 245,362.32 × 103,594.56
  4. Step 4: Simplify right side
    163,605.12x = 25,418,201,580.98
  5. Step 5: Solve for x
    x = 25,418,201,580.98/163,605.12
  6. Step 6: Final answer
    x = 155,363.12

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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.