Home / 163,772.49-245,265.07-93,438.57

Finding the Fourth Proportional to 163,772.49, 245,265.07 and 93,438.57

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Solution

The fourth proportional to 163,772.49, 245,265.07 and 93,438.57 is: 139,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,772.49 : 245,265.07 = 93,438.57 : x
  2. Step 2: Convert to fraction form
    163,772.49/245,265.07 = 93,438.57/x
  3. Step 3: Cross multiply
    163,772.49x = 245,265.07 × 93,438.57
  4. Step 4: Simplify right side
    163,772.49x = 22,917,217,411.75
  5. Step 5: Solve for x
    x = 22,917,217,411.75/163,772.49
  6. Step 6: Final answer
    x = 139,933.25

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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.