Home / 186,132.24-256,804.56-105,553.44

Finding the Fourth Proportional to 186,132.24, 256,804.56 and 105,553.44

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Solution

The fourth proportional to 186,132.24, 256,804.56 and 105,553.44 is: 145,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,132.24 : 256,804.56 = 105,553.44 : x
  2. Step 2: Convert to fraction form
    186,132.24/256,804.56 = 105,553.44/x
  3. Step 3: Cross multiply
    186,132.24x = 256,804.56 × 105,553.44
  4. Step 4: Simplify right side
    186,132.24x = 27,106,604,715.69
  5. Step 5: Solve for x
    x = 27,106,604,715.69/186,132.24
  6. Step 6: Final answer
    x = 145,630.90

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1.5x scale

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.