Home / 186,538.08-257,497.20-111,072

Finding the Fourth Proportional to 186,538.08, 257,497.20 and 111,072

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Solution

The fourth proportional to 186,538.08, 257,497.20 and 111,072 is: 153,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,538.08 : 257,497.20 = 111,072 : x
  2. Step 2: Convert to fraction form
    186,538.08/257,497.20 = 111,072/x
  3. Step 3: Cross multiply
    186,538.08x = 257,497.20 × 111,072
  4. Step 4: Simplify right side
    186,538.08x = 28,600,728,998.40
  5. Step 5: Solve for x
    x = 28,600,728,998.40/186,538.08
  6. Step 6: Final answer
    x = 153,323.81

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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.