Home / 191,909.34-264,882.38-130,756.68

Finding the Fourth Proportional to 191,909.34, 264,882.38 and 130,756.68

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Solution

The fourth proportional to 191,909.34, 264,882.38 and 130,756.68 is: 180,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909.34 : 264,882.38 = 130,756.68 : x
  2. Step 2: Convert to fraction form
    191,909.34/264,882.38 = 130,756.68/x
  3. Step 3: Cross multiply
    191,909.34x = 264,882.38 × 130,756.68
  4. Step 4: Simplify right side
    191,909.34x = 34,635,139,945.52
  5. Step 5: Solve for x
    x = 34,635,139,945.52/191,909.34
  6. Step 6: Final answer
    x = 180,476.57

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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.