Home / 191,828.12-264,719.28-105,795.03

Finding the Fourth Proportional to 191,828.12, 264,719.28 and 105,795.03

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Solution

The fourth proportional to 191,828.12, 264,719.28 and 105,795.03 is: 145,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,828.12 : 264,719.28 = 105,795.03 : x
  2. Step 2: Convert to fraction form
    191,828.12/264,719.28 = 105,795.03/x
  3. Step 3: Cross multiply
    191,828.12x = 264,719.28 × 105,795.03
  4. Step 4: Simplify right side
    191,828.12x = 28,005,985,558.61
  5. Step 5: Solve for x
    x = 28,005,985,558.61/191,828.12
  6. Step 6: Final answer
    x = 145,995.21

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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.