Home / 186,467.40-279,506.70-102,097.80

Finding the Fourth Proportional to 186,467.40, 279,506.70 and 102,097.80

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Solution

The fourth proportional to 186,467.40, 279,506.70 and 102,097.80 is: 153,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,467.40 : 279,506.70 = 102,097.80 : x
  2. Step 2: Convert to fraction form
    186,467.40/279,506.70 = 102,097.80/x
  3. Step 3: Cross multiply
    186,467.40x = 279,506.70 × 102,097.80
  4. Step 4: Simplify right side
    186,467.40x = 28,537,019,155.26
  5. Step 5: Solve for x
    x = 28,537,019,155.26/186,467.40
  6. Step 6: Final answer
    x = 153,040.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.