Home / 186,196.24-256,916.81-121,648.30

Finding the Fourth Proportional to 186,196.24, 256,916.81 and 121,648.30

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Solution

The fourth proportional to 186,196.24, 256,916.81 and 121,648.30 is: 167,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,196.24 : 256,916.81 = 121,648.30 : x
  2. Step 2: Convert to fraction form
    186,196.24/256,916.81 = 121,648.30/x
  3. Step 3: Cross multiply
    186,196.24x = 256,916.81 × 121,648.30
  4. Step 4: Simplify right side
    186,196.24x = 31,253,492,839.75
  5. Step 5: Solve for x
    x = 31,253,492,839.75/186,196.24
  6. Step 6: Final answer
    x = 167,852.44

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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.