Home / 198,801.02-274,324.93-118,212.98

Finding the Fourth Proportional to 198,801.02, 274,324.93 and 118,212.98

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Solution

The fourth proportional to 198,801.02, 274,324.93 and 118,212.98 is: 163,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,801.02 : 274,324.93 = 118,212.98 : x
  2. Step 2: Convert to fraction form
    198,801.02/274,324.93 = 118,212.98/x
  3. Step 3: Cross multiply
    198,801.02x = 274,324.93 × 118,212.98
  4. Step 4: Simplify right side
    198,801.02x = 32,428,767,463.59
  5. Step 5: Solve for x
    x = 32,428,767,463.59/198,801.02
  6. Step 6: Final answer
    x = 163,121.74

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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.