Home / 140,174.37-193,442.65-76,510.80

Finding the Fourth Proportional to 140,174.37, 193,442.65 and 76,510.80

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Solution

The fourth proportional to 140,174.37, 193,442.65 and 76,510.80 is: 105,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,174.37 : 193,442.65 = 76,510.80 : x
  2. Step 2: Convert to fraction form
    140,174.37/193,442.65 = 76,510.80/x
  3. Step 3: Cross multiply
    140,174.37x = 193,442.65 × 76,510.80
  4. Step 4: Simplify right side
    140,174.37x = 14,800,451,714.34
  5. Step 5: Solve for x
    x = 14,800,451,714.34/140,174.37
  6. Step 6: Final answer
    x = 105,586.00

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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.