Home / 186,528.69-257,409.62-101,645.75

Finding the Fourth Proportional to 186,528.69, 257,409.62 and 101,645.75

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Solution

The fourth proportional to 186,528.69, 257,409.62 and 101,645.75 is: 140,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528.69 : 257,409.62 = 101,645.75 : x
  2. Step 2: Convert to fraction form
    186,528.69/257,409.62 = 101,645.75/x
  3. Step 3: Cross multiply
    186,528.69x = 257,409.62 × 101,645.75
  4. Step 4: Simplify right side
    186,528.69x = 26,164,593,882.12
  5. Step 5: Solve for x
    x = 26,164,593,882.12/186,528.69
  6. Step 6: Final answer
    x = 140,271.15

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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.