Home / 355,724.64-533,587.87-145,362.58

Finding the Fourth Proportional to 355,724.64, 533,587.87 and 145,362.58

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Solution

The fourth proportional to 355,724.64, 533,587.87 and 145,362.58 is: 218,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,724.64 : 533,587.87 = 145,362.58 : x
  2. Step 2: Convert to fraction form
    355,724.64/533,587.87 = 145,362.58/x
  3. Step 3: Cross multiply
    355,724.64x = 533,587.87 × 145,362.58
  4. Step 4: Simplify right side
    355,724.64x = 77,563,708,287.64
  5. Step 5: Solve for x
    x = 77,563,708,287.64/355,724.64
  6. Step 6: Final answer
    x = 218,044.24

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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.