Home / 205,176.24-282,920.04-133,423.20

Finding the Fourth Proportional to 205,176.24, 282,920.04 and 133,423.20

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Solution

The fourth proportional to 205,176.24, 282,920.04 and 133,423.20 is: 183,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,176.24 : 282,920.04 = 133,423.20 : x
  2. Step 2: Convert to fraction form
    205,176.24/282,920.04 = 133,423.20/x
  3. Step 3: Cross multiply
    205,176.24x = 282,920.04 × 133,423.20
  4. Step 4: Simplify right side
    205,176.24x = 37,748,097,080.93
  5. Step 5: Solve for x
    x = 37,748,097,080.93/205,176.24
  6. Step 6: Final answer
    x = 183,978.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.