Home / 185,709.40-278,564.10-173,899.60

Finding the Fourth Proportional to 185,709.40, 278,564.10 and 173,899.60

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Solution

The fourth proportional to 185,709.40, 278,564.10 and 173,899.60 is: 260,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,709.40 : 278,564.10 = 173,899.60 : x
  2. Step 2: Convert to fraction form
    185,709.40/278,564.10 = 173,899.60/x
  3. Step 3: Cross multiply
    185,709.40x = 278,564.10 × 173,899.60
  4. Step 4: Simplify right side
    185,709.40x = 48,442,185,564.36
  5. Step 5: Solve for x
    x = 48,442,185,564.36/185,709.40
  6. Step 6: Final answer
    x = 260,849.40

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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.