Home / 189,129.40-283,727.64-62,777.20

Finding the Fourth Proportional to 189,129.40, 283,727.64 and 62,777.20

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Solution

The fourth proportional to 189,129.40, 283,727.64 and 62,777.20 is: 94,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,129.40 : 283,727.64 = 62,777.20 : x
  2. Step 2: Convert to fraction form
    189,129.40/283,727.64 = 62,777.20/x
  3. Step 3: Cross multiply
    189,129.40x = 283,727.64 × 62,777.20
  4. Step 4: Simplify right side
    189,129.40x = 17,811,626,801.81
  5. Step 5: Solve for x
    x = 17,811,626,801.81/189,129.40
  6. Step 6: Final answer
    x = 94,176.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.