Home / 191,715.18-264,567.24-106,830.42

Finding the Fourth Proportional to 191,715.18, 264,567.24 and 106,830.42

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Solution

The fourth proportional to 191,715.18, 264,567.24 and 106,830.42 is: 147,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,715.18 : 264,567.24 = 106,830.42 : x
  2. Step 2: Convert to fraction form
    191,715.18/264,567.24 = 106,830.42/x
  3. Step 3: Cross multiply
    191,715.18x = 264,567.24 × 106,830.42
  4. Step 4: Simplify right side
    191,715.18x = 28,263,829,367.44
  5. Step 5: Solve for x
    x = 28,263,829,367.44/191,715.18
  6. Step 6: Final answer
    x = 147,426.14

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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.