Home / 191,916.40-264,952.84-133,086.10

Finding the Fourth Proportional to 191,916.40, 264,952.84 and 133,086.10

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Solution

The fourth proportional to 191,916.40, 264,952.84 and 133,086.10 is: 183,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,916.40 : 264,952.84 = 133,086.10 : x
  2. Step 2: Convert to fraction form
    191,916.40/264,952.84 = 133,086.10/x
  3. Step 3: Cross multiply
    191,916.40x = 264,952.84 × 133,086.10
  4. Step 4: Simplify right side
    191,916.40x = 35,261,540,159.52
  5. Step 5: Solve for x
    x = 35,261,540,159.52/191,916.40
  6. Step 6: Final answer
    x = 183,733.86

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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.