Home / 191,756.46-264,625.76-105,718.59

Finding the Fourth Proportional to 191,756.46, 264,625.76 and 105,718.59

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Solution

The fourth proportional to 191,756.46, 264,625.76 and 105,718.59 is: 145,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,756.46 : 264,625.76 = 105,718.59 : x
  2. Step 2: Convert to fraction form
    191,756.46/264,625.76 = 105,718.59/x
  3. Step 3: Cross multiply
    191,756.46x = 264,625.76 × 105,718.59
  4. Step 4: Simplify right side
    191,756.46x = 27,975,862,936.10
  5. Step 5: Solve for x
    x = 27,975,862,936.10/191,756.46
  6. Step 6: Final answer
    x = 145,892.67

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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.