Home / 114,784.40-171,690.60-103,023.20

Finding the Fourth Proportional to 114,784.40, 171,690.60 and 103,023.20

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Solution

The fourth proportional to 114,784.40, 171,690.60 and 103,023.20 is: 154,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,784.40 : 171,690.60 = 103,023.20 : x
  2. Step 2: Convert to fraction form
    114,784.40/171,690.60 = 103,023.20/x
  3. Step 3: Cross multiply
    114,784.40x = 171,690.60 × 103,023.20
  4. Step 4: Simplify right side
    114,784.40x = 17,688,115,021.92
  5. Step 5: Solve for x
    x = 17,688,115,021.92/114,784.40
  6. Step 6: Final answer
    x = 154,098.60

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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.