Home / 191,742.56-264,592.81-105,697.07

Finding the Fourth Proportional to 191,742.56, 264,592.81 and 105,697.07

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Solution

The fourth proportional to 191,742.56, 264,592.81 and 105,697.07 is: 145,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,742.56 : 264,592.81 = 105,697.07 : x
  2. Step 2: Convert to fraction form
    191,742.56/264,592.81 = 105,697.07/x
  3. Step 3: Cross multiply
    191,742.56x = 264,592.81 × 105,697.07
  4. Step 4: Simplify right side
    191,742.56x = 27,966,684,561.45
  5. Step 5: Solve for x
    x = 27,966,684,561.45/191,742.56
  6. Step 6: Final answer
    x = 145,855.38

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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.