Home / 191,711.49-264,557.69-111,136.95

Finding the Fourth Proportional to 191,711.49, 264,557.69 and 111,136.95

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Solution

The fourth proportional to 191,711.49, 264,557.69 and 111,136.95 is: 153,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,711.49 : 264,557.69 = 111,136.95 : x
  2. Step 2: Convert to fraction form
    191,711.49/264,557.69 = 111,136.95/x
  3. Step 3: Cross multiply
    191,711.49x = 264,557.69 × 111,136.95
  4. Step 4: Simplify right side
    191,711.49x = 29,402,134,209.96
  5. Step 5: Solve for x
    x = 29,402,134,209.96/191,711.49
  6. Step 6: Final answer
    x = 153,366.57

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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.