Home / 193,403.84-266,905.02-106,192.41

Finding the Fourth Proportional to 193,403.84, 266,905.02 and 106,192.41

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Solution

The fourth proportional to 193,403.84, 266,905.02 and 106,192.41 is: 146,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,403.84 : 266,905.02 = 106,192.41 : x
  2. Step 2: Convert to fraction form
    193,403.84/266,905.02 = 106,192.41/x
  3. Step 3: Cross multiply
    193,403.84x = 266,905.02 × 106,192.41
  4. Step 4: Simplify right side
    193,403.84x = 28,343,287,314.90
  5. Step 5: Solve for x
    x = 28,343,287,314.90/193,403.84
  6. Step 6: Final answer
    x = 146,549.77

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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.