Home / 186,275.35-257,052.84-105,698.07

Finding the Fourth Proportional to 186,275.35, 257,052.84 and 105,698.07

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Solution

The fourth proportional to 186,275.35, 257,052.84 and 105,698.07 is: 145,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,275.35 : 257,052.84 = 105,698.07 : x
  2. Step 2: Convert to fraction form
    186,275.35/257,052.84 = 105,698.07/x
  3. Step 3: Cross multiply
    186,275.35x = 257,052.84 × 105,698.07
  4. Step 4: Simplify right side
    186,275.35x = 27,169,988,679.65
  5. Step 5: Solve for x
    x = 27,169,988,679.65/186,275.35
  6. Step 6: Final answer
    x = 145,859.28

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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.