Home / 186,782.92-257,759.21-106,210.45

Finding the Fourth Proportional to 186,782.92, 257,759.21 and 106,210.45

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Solution

The fourth proportional to 186,782.92, 257,759.21 and 106,210.45 is: 146,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,782.92 : 257,759.21 = 106,210.45 : x
  2. Step 2: Convert to fraction form
    186,782.92/257,759.21 = 106,210.45/x
  3. Step 3: Cross multiply
    186,782.92x = 257,759.21 × 106,210.45
  4. Step 4: Simplify right side
    186,782.92x = 27,376,720,510.29
  5. Step 5: Solve for x
    x = 27,376,720,510.29/186,782.92
  6. Step 6: Final answer
    x = 146,569.72

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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.