Home / 163,726.04-245,683.20-68,948.76

Finding the Fourth Proportional to 163,726.04, 245,683.20 and 68,948.76

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Solution

The fourth proportional to 163,726.04, 245,683.20 and 68,948.76 is: 103,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,726.04 : 245,683.20 = 68,948.76 : x
  2. Step 2: Convert to fraction form
    163,726.04/245,683.20 = 68,948.76/x
  3. Step 3: Cross multiply
    163,726.04x = 245,683.20 × 68,948.76
  4. Step 4: Simplify right side
    163,726.04x = 16,939,551,992.83
  5. Step 5: Solve for x
    x = 16,939,551,992.83/163,726.04
  6. Step 6: Final answer
    x = 103,462.78

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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.