Home / 186,859.24-257,817.54-111,354.28

Finding the Fourth Proportional to 186,859.24, 257,817.54 and 111,354.28

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Solution

The fourth proportional to 186,859.24, 257,817.54 and 111,354.28 is: 153,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,859.24 : 257,817.54 = 111,354.28 : x
  2. Step 2: Convert to fraction form
    186,859.24/257,817.54 = 111,354.28/x
  3. Step 3: Cross multiply
    186,859.24x = 257,817.54 × 111,354.28
  4. Step 4: Simplify right side
    186,859.24x = 28,709,086,538.07
  5. Step 5: Solve for x
    x = 28,709,086,538.07/186,859.24
  6. Step 6: Final answer
    x = 153,640.18

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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.