Home / 127,949.45-191,916.09-49,970.16

Finding the Fourth Proportional to 127,949.45, 191,916.09 and 49,970.16

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Solution

The fourth proportional to 127,949.45, 191,916.09 and 49,970.16 is: 74,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.45 : 191,916.09 = 49,970.16 : x
  2. Step 2: Convert to fraction form
    127,949.45/191,916.09 = 49,970.16/x
  3. Step 3: Cross multiply
    127,949.45x = 191,916.09 × 49,970.16
  4. Step 4: Simplify right side
    127,949.45x = 9,590,077,723.87
  5. Step 5: Solve for x
    x = 9,590,077,723.87/127,949.45
  6. Step 6: Final answer
    x = 74,952.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.