Home / 193,457.16-266,984.10-107,420.58

Finding the Fourth Proportional to 193,457.16, 266,984.10 and 107,420.58

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Solution

The fourth proportional to 193,457.16, 266,984.10 and 107,420.58 is: 148,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,457.16 : 266,984.10 = 107,420.58 : x
  2. Step 2: Convert to fraction form
    193,457.16/266,984.10 = 107,420.58/x
  3. Step 3: Cross multiply
    193,457.16x = 266,984.10 × 107,420.58
  4. Step 4: Simplify right side
    193,457.16x = 28,679,586,872.78
  5. Step 5: Solve for x
    x = 28,679,586,872.78/193,457.16
  6. Step 6: Final answer
    x = 148,247.74

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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.