Home / 191,568.28-264,384.98-105,536.07

Finding the Fourth Proportional to 191,568.28, 264,384.98 and 105,536.07

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Solution

The fourth proportional to 191,568.28, 264,384.98 and 105,536.07 is: 145,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,568.28 : 264,384.98 = 105,536.07 : x
  2. Step 2: Convert to fraction form
    191,568.28/264,384.98 = 105,536.07/x
  3. Step 3: Cross multiply
    191,568.28x = 264,384.98 × 105,536.07
  4. Step 4: Simplify right side
    191,568.28x = 27,902,151,756.23
  5. Step 5: Solve for x
    x = 27,902,151,756.23/191,568.28
  6. Step 6: Final answer
    x = 145,651.21

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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.