Home / 368,618.80-553,002.04-115,962.89

Finding the Fourth Proportional to 368,618.80, 553,002.04 and 115,962.89

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Solution

The fourth proportional to 368,618.80, 553,002.04 and 115,962.89 is: 173,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,618.80 : 553,002.04 = 115,962.89 : x
  2. Step 2: Convert to fraction form
    368,618.80/553,002.04 = 115,962.89/x
  3. Step 3: Cross multiply
    368,618.80x = 553,002.04 × 115,962.89
  4. Step 4: Simplify right side
    368,618.80x = 64,127,714,572.58
  5. Step 5: Solve for x
    x = 64,127,714,572.58/368,618.80
  6. Step 6: Final answer
    x = 173,967.56

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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.