Home / 208,829.18-288,184.15-118,183.50

Finding the Fourth Proportional to 208,829.18, 288,184.15 and 118,183.50

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Solution

The fourth proportional to 208,829.18, 288,184.15 and 118,183.50 is: 163,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829.18 : 288,184.15 = 118,183.50 : x
  2. Step 2: Convert to fraction form
    208,829.18/288,184.15 = 118,183.50/x
  3. Step 3: Cross multiply
    208,829.18x = 288,184.15 × 118,183.50
  4. Step 4: Simplify right side
    208,829.18x = 34,058,611,491.53
  5. Step 5: Solve for x
    x = 34,058,611,491.53/208,829.18
  6. Step 6: Final answer
    x = 163,093.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.