Home / 186,283.30-257,063.79-105,706.03

Finding the Fourth Proportional to 186,283.30, 257,063.79 and 105,706.03

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Solution

The fourth proportional to 186,283.30, 257,063.79 and 105,706.03 is: 145,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283.30 : 257,063.79 = 105,706.03 : x
  2. Step 2: Convert to fraction form
    186,283.30/257,063.79 = 105,706.03/x
  3. Step 3: Cross multiply
    186,283.30x = 257,063.79 × 105,706.03
  4. Step 4: Simplify right side
    186,283.30x = 27,173,192,697.65
  5. Step 5: Solve for x
    x = 27,173,192,697.65/186,283.30
  6. Step 6: Final answer
    x = 145,870.26

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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.