Home / 140,004.30-193,220.73-85,588.32

Finding the Fourth Proportional to 140,004.30, 193,220.73 and 85,588.32

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Solution

The fourth proportional to 140,004.30, 193,220.73 and 85,588.32 is: 118,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.30 : 193,220.73 = 85,588.32 : x
  2. Step 2: Convert to fraction form
    140,004.30/193,220.73 = 85,588.32/x
  3. Step 3: Cross multiply
    140,004.30x = 193,220.73 × 85,588.32
  4. Step 4: Simplify right side
    140,004.30x = 16,537,437,730.66
  5. Step 5: Solve for x
    x = 16,537,437,730.66/140,004.30
  6. Step 6: Final answer
    x = 118,120.93

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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.