Home / 186,782.55-257,758.68-106,210.08

Finding the Fourth Proportional to 186,782.55, 257,758.68 and 106,210.08

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Solution

The fourth proportional to 186,782.55, 257,758.68 and 106,210.08 is: 146,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,782.55 : 257,758.68 = 106,210.08 : x
  2. Step 2: Convert to fraction form
    186,782.55/257,758.68 = 106,210.08/x
  3. Step 3: Cross multiply
    186,782.55x = 257,758.68 × 106,210.08
  4. Step 4: Simplify right side
    186,782.55x = 27,376,570,023.49
  5. Step 5: Solve for x
    x = 27,376,570,023.49/186,782.55
  6. Step 6: Final answer
    x = 146,569.21

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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.