Home / 186,823.05-257,821.49-106,262.16

Finding the Fourth Proportional to 186,823.05, 257,821.49 and 106,262.16

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Solution

The fourth proportional to 186,823.05, 257,821.49 and 106,262.16 is: 146,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,823.05 : 257,821.49 = 106,262.16 : x
  2. Step 2: Convert to fraction form
    186,823.05/257,821.49 = 106,262.16/x
  3. Step 3: Cross multiply
    186,823.05x = 257,821.49 × 106,262.16
  4. Step 4: Simplify right side
    186,823.05x = 27,396,668,421.82
  5. Step 5: Solve for x
    x = 27,396,668,421.82/186,823.05
  6. Step 6: Final answer
    x = 146,645.01

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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.