Home / 186,314.28-257,147.23-109,828.81

Finding the Fourth Proportional to 186,314.28, 257,147.23 and 109,828.81

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Solution

The fourth proportional to 186,314.28, 257,147.23 and 109,828.81 is: 151,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,314.28 : 257,147.23 = 109,828.81 : x
  2. Step 2: Convert to fraction form
    186,314.28/257,147.23 = 109,828.81/x
  3. Step 3: Cross multiply
    186,314.28x = 257,147.23 × 109,828.81
  4. Step 4: Simplify right side
    186,314.28x = 28,242,174,827.38
  5. Step 5: Solve for x
    x = 28,242,174,827.38/186,314.28
  6. Step 6: Final answer
    x = 151,583.53

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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.