Home / 208,424.50-287,612.45-116,551.36

Finding the Fourth Proportional to 208,424.50, 287,612.45 and 116,551.36

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Solution

The fourth proportional to 208,424.50, 287,612.45 and 116,551.36 is: 160,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,424.50 : 287,612.45 = 116,551.36 : x
  2. Step 2: Convert to fraction form
    208,424.50/287,612.45 = 116,551.36/x
  3. Step 3: Cross multiply
    208,424.50x = 287,612.45 × 116,551.36
  4. Step 4: Simplify right side
    208,424.50x = 33,521,622,200.43
  5. Step 5: Solve for x
    x = 33,521,622,200.43/208,424.50
  6. Step 6: Final answer
    x = 160,833.41

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1.5x scale

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.