Home / 186,135.96-256,827.06-105,545.32

Finding the Fourth Proportional to 186,135.96, 256,827.06 and 105,545.32

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Solution

The fourth proportional to 186,135.96, 256,827.06 and 105,545.32 is: 145,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,135.96 : 256,827.06 = 105,545.32 : x
  2. Step 2: Convert to fraction form
    186,135.96/256,827.06 = 105,545.32/x
  3. Step 3: Cross multiply
    186,135.96x = 256,827.06 × 105,545.32
  4. Step 4: Simplify right side
    186,135.96x = 27,106,894,232.36
  5. Step 5: Solve for x
    x = 27,106,894,232.36/186,135.96
  6. Step 6: Final answer
    x = 145,629.54

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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.