Home / 355,566.51-533,350.28-145,204.45

Finding the Fourth Proportional to 355,566.51, 533,350.28 and 145,204.45

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Solution

The fourth proportional to 355,566.51, 533,350.28 and 145,204.45 is: 217,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,566.51 : 533,350.28 = 145,204.45 : x
  2. Step 2: Convert to fraction form
    355,566.51/533,350.28 = 145,204.45/x
  3. Step 3: Cross multiply
    355,566.51x = 533,350.28 × 145,204.45
  4. Step 4: Simplify right side
    355,566.51x = 77,444,833,094.38
  5. Step 5: Solve for x
    x = 77,444,833,094.38/355,566.51
  6. Step 6: Final answer
    x = 217,806.88

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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.