Home / 186,094.68-256,869.20-105,575.72

Finding the Fourth Proportional to 186,094.68, 256,869.20 and 105,575.72

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Solution

The fourth proportional to 186,094.68, 256,869.20 and 105,575.72 is: 145,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,094.68 : 256,869.20 = 105,575.72 : x
  2. Step 2: Convert to fraction form
    186,094.68/256,869.20 = 105,575.72/x
  3. Step 3: Cross multiply
    186,094.68x = 256,869.20 × 105,575.72
  4. Step 4: Simplify right side
    186,094.68x = 27,119,150,863.37
  5. Step 5: Solve for x
    x = 27,119,150,863.37/186,094.68
  6. Step 6: Final answer
    x = 145,727.70

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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.