Home / 355,845.60-533,768.75-145,483.54

Finding the Fourth Proportional to 355,845.60, 533,768.75 and 145,483.54

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Solution

The fourth proportional to 355,845.60, 533,768.75 and 145,483.54 is: 218,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,845.60 : 533,768.75 = 145,483.54 : x
  2. Step 2: Convert to fraction form
    355,845.60/533,768.75 = 145,483.54/x
  3. Step 3: Cross multiply
    355,845.60x = 533,768.75 × 145,483.54
  4. Step 4: Simplify right side
    355,845.60x = 77,654,566,320.66
  5. Step 5: Solve for x
    x = 77,654,566,320.66/355,845.60
  6. Step 6: Final answer
    x = 218,225.45

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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.