Home / 186,121.04-256,892.65-105,595.70

Finding the Fourth Proportional to 186,121.04, 256,892.65 and 105,595.70

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Solution

The fourth proportional to 186,121.04, 256,892.65 and 105,595.70 is: 145,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,121.04 : 256,892.65 = 105,595.70 : x
  2. Step 2: Convert to fraction form
    186,121.04/256,892.65 = 105,595.70/x
  3. Step 3: Cross multiply
    186,121.04x = 256,892.65 × 105,595.70
  4. Step 4: Simplify right side
    186,121.04x = 27,126,757,653.15
  5. Step 5: Solve for x
    x = 27,126,757,653.15/186,121.04
  6. Step 6: Final answer
    x = 145,747.94

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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.