Home / 190,697.06-286,036.30-70,777.37

Finding the Fourth Proportional to 190,697.06, 286,036.30 and 70,777.37

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Solution

The fourth proportional to 190,697.06, 286,036.30 and 70,777.37 is: 106,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,697.06 : 286,036.30 = 70,777.37 : x
  2. Step 2: Convert to fraction form
    190,697.06/286,036.30 = 70,777.37/x
  3. Step 3: Cross multiply
    190,697.06x = 286,036.30 × 70,777.37
  4. Step 4: Simplify right side
    190,697.06x = 20,244,897,038.53
  5. Step 5: Solve for x
    x = 20,244,897,038.53/190,697.06
  6. Step 6: Final answer
    x = 106,162.61

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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.