Home / 355,462.16-532,721.61-155,564.89

Finding the Fourth Proportional to 355,462.16, 532,721.61 and 155,564.89

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Solution

The fourth proportional to 355,462.16, 532,721.61 and 155,564.89 is: 233,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,462.16 : 532,721.61 = 155,564.89 : x
  2. Step 2: Convert to fraction form
    355,462.16/532,721.61 = 155,564.89/x
  3. Step 3: Cross multiply
    355,462.16x = 532,721.61 × 155,564.89
  4. Step 4: Simplify right side
    355,462.16x = 82,872,777,328.47
  5. Step 5: Solve for x
    x = 82,872,777,328.47/355,462.16
  6. Step 6: Final answer
    x = 233,140.93

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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.