Home / 186,858.24-257,816.16-111,353.28

Finding the Fourth Proportional to 186,858.24, 257,816.16 and 111,353.28

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Solution

The fourth proportional to 186,858.24, 257,816.16 and 111,353.28 is: 153,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,858.24 : 257,816.16 = 111,353.28 : x
  2. Step 2: Convert to fraction form
    186,858.24/257,816.16 = 111,353.28/x
  3. Step 3: Cross multiply
    186,858.24x = 257,816.16 × 111,353.28
  4. Step 4: Simplify right side
    186,858.24x = 28,708,675,053.00
  5. Step 5: Solve for x
    x = 28,708,675,053.00/186,858.24
  6. Step 6: Final answer
    x = 153,638.80

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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.