Home / 186,071.81-256,776.68-101,187.05

Finding the Fourth Proportional to 186,071.81, 256,776.68 and 101,187.05

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Solution

The fourth proportional to 186,071.81, 256,776.68 and 101,187.05 is: 139,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,071.81 : 256,776.68 = 101,187.05 : x
  2. Step 2: Convert to fraction form
    186,071.81/256,776.68 = 101,187.05/x
  3. Step 3: Cross multiply
    186,071.81x = 256,776.68 × 101,187.05
  4. Step 4: Simplify right side
    186,071.81x = 25,982,474,757.99
  5. Step 5: Solve for x
    x = 25,982,474,757.99/186,071.81
  6. Step 6: Final answer
    x = 139,636.81

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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.