Home / 140,083.83-193,315.01-76,421.07

Finding the Fourth Proportional to 140,083.83, 193,315.01 and 76,421.07

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Solution

The fourth proportional to 140,083.83, 193,315.01 and 76,421.07 is: 105,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083.83 : 193,315.01 = 76,421.07 : x
  2. Step 2: Convert to fraction form
    140,083.83/193,315.01 = 76,421.07/x
  3. Step 3: Cross multiply
    140,083.83x = 193,315.01 × 76,421.07
  4. Step 4: Simplify right side
    140,083.83x = 14,773,339,529.16
  5. Step 5: Solve for x
    x = 14,773,339,529.16/140,083.83
  6. Step 6: Final answer
    x = 105,460.71

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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.