Home / 140,362.01-193,700.08-76,699.81

Finding the Fourth Proportional to 140,362.01, 193,700.08 and 76,699.81

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Solution

The fourth proportional to 140,362.01, 193,700.08 and 76,699.81 is: 105,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,362.01 : 193,700.08 = 76,699.81 : x
  2. Step 2: Convert to fraction form
    140,362.01/193,700.08 = 76,699.81/x
  3. Step 3: Cross multiply
    140,362.01x = 193,700.08 × 76,699.81
  4. Step 4: Simplify right side
    140,362.01x = 14,856,759,670.98
  5. Step 5: Solve for x
    x = 14,856,759,670.98/140,362.01
  6. Step 6: Final answer
    x = 105,846.02

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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.