Home / 293,702.64-405,301.77-172,851.05

Finding the Fourth Proportional to 293,702.64, 405,301.77 and 172,851.05

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Solution

The fourth proportional to 293,702.64, 405,301.77 and 172,851.05 is: 238,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,702.64 : 405,301.77 = 172,851.05 : x
  2. Step 2: Convert to fraction form
    293,702.64/405,301.77 = 172,851.05/x
  3. Step 3: Cross multiply
    293,702.64x = 405,301.77 × 172,851.05
  4. Step 4: Simplify right side
    293,702.64x = 70,056,834,484.85
  5. Step 5: Solve for x
    x = 70,056,834,484.85/293,702.64
  6. Step 6: Final answer
    x = 238,529.81

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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.