Home / 368,934.60-553,661.10-158,723.40

Finding the Fourth Proportional to 368,934.60, 553,661.10 and 158,723.40

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Solution

The fourth proportional to 368,934.60, 553,661.10 and 158,723.40 is: 238,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,934.60 : 553,661.10 = 158,723.40 : x
  2. Step 2: Convert to fraction form
    368,934.60/553,661.10 = 158,723.40/x
  3. Step 3: Cross multiply
    368,934.60x = 553,661.10 × 158,723.40
  4. Step 4: Simplify right side
    368,934.60x = 87,878,972,239.74
  5. Step 5: Solve for x
    x = 87,878,972,239.74/368,934.60
  6. Step 6: Final answer
    x = 238,196.61

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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.