Home / 186,176.28-256,919.40-101,293.68

Finding the Fourth Proportional to 186,176.28, 256,919.40 and 101,293.68

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Solution

The fourth proportional to 186,176.28, 256,919.40 and 101,293.68 is: 139,783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,176.28 : 256,919.40 = 101,293.68 : x
  2. Step 2: Convert to fraction form
    186,176.28/256,919.40 = 101,293.68/x
  3. Step 3: Cross multiply
    186,176.28x = 256,919.40 × 101,293.68
  4. Step 4: Simplify right side
    186,176.28x = 26,024,311,489.39
  5. Step 5: Solve for x
    x = 26,024,311,489.39/186,176.28
  6. Step 6: Final answer
    x = 139,783.17

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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.