Home / 167,285.08-230,845.53-90,802.45

Finding the Fourth Proportional to 167,285.08, 230,845.53 and 90,802.45

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Solution

The fourth proportional to 167,285.08, 230,845.53 and 90,802.45 is: 125,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,285.08 : 230,845.53 = 90,802.45 : x
  2. Step 2: Convert to fraction form
    167,285.08/230,845.53 = 90,802.45/x
  3. Step 3: Cross multiply
    167,285.08x = 230,845.53 × 90,802.45
  4. Step 4: Simplify right side
    167,285.08x = 20,961,339,118.43
  5. Step 5: Solve for x
    x = 20,961,339,118.43/167,285.08
  6. Step 6: Final answer
    x = 125,303.10

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1.5x scale

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.