Home / 285,746.04-428,812.56-117,296.64

Finding the Fourth Proportional to 285,746.04, 428,812.56 and 117,296.64

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Solution

The fourth proportional to 285,746.04, 428,812.56 and 117,296.64 is: 176,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,746.04 : 428,812.56 = 117,296.64 : x
  2. Step 2: Convert to fraction form
    285,746.04/428,812.56 = 117,296.64/x
  3. Step 3: Cross multiply
    285,746.04x = 428,812.56 × 117,296.64
  4. Step 4: Simplify right side
    285,746.04x = 50,298,272,477.80
  5. Step 5: Solve for x
    x = 50,298,272,477.80/285,746.04
  6. Step 6: Final answer
    x = 176,024.39

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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.