Home / 185,938.60-278,907.90-169,317.40

Finding the Fourth Proportional to 185,938.60, 278,907.90 and 169,317.40

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Solution

The fourth proportional to 185,938.60, 278,907.90 and 169,317.40 is: 253,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,938.60 : 278,907.90 = 169,317.40 : x
  2. Step 2: Convert to fraction form
    185,938.60/278,907.90 = 169,317.40/x
  3. Step 3: Cross multiply
    185,938.60x = 278,907.90 × 169,317.40
  4. Step 4: Simplify right side
    185,938.60x = 47,223,960,467.46
  5. Step 5: Solve for x
    x = 47,223,960,467.46/185,938.60
  6. Step 6: Final answer
    x = 253,976.10

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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.