Home / 140,010.93-193,197.89-85,590.47

Finding the Fourth Proportional to 140,010.93, 193,197.89 and 85,590.47

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Solution

The fourth proportional to 140,010.93, 193,197.89 and 85,590.47 is: 118,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.93 : 193,197.89 = 85,590.47 : x
  2. Step 2: Convert to fraction form
    140,010.93/193,197.89 = 85,590.47/x
  3. Step 3: Cross multiply
    140,010.93x = 193,197.89 × 85,590.47
  4. Step 4: Simplify right side
    140,010.93x = 16,535,898,905.08
  5. Step 5: Solve for x
    x = 16,535,898,905.08/140,010.93
  6. Step 6: Final answer
    x = 118,104.34

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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.