Home / 155,148.40-232,735.94-42,828.64

Finding the Fourth Proportional to 155,148.40, 232,735.94 and 42,828.64

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Solution

The fourth proportional to 155,148.40, 232,735.94 and 42,828.64 is: 64,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148.40 : 232,735.94 = 42,828.64 : x
  2. Step 2: Convert to fraction form
    155,148.40/232,735.94 = 42,828.64/x
  3. Step 3: Cross multiply
    155,148.40x = 232,735.94 × 42,828.64
  4. Step 4: Simplify right side
    155,148.40x = 9,967,763,789.32
  5. Step 5: Solve for x
    x = 9,967,763,789.32/155,148.40
  6. Step 6: Final answer
    x = 64,246.64

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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.