Home / 190,421.36-262,777.44-105,537.68

Finding the Fourth Proportional to 190,421.36, 262,777.44 and 105,537.68

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Solution

The fourth proportional to 190,421.36, 262,777.44 and 105,537.68 is: 145,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,421.36 : 262,777.44 = 105,537.68 : x
  2. Step 2: Convert to fraction form
    190,421.36/262,777.44 = 105,537.68/x
  3. Step 3: Cross multiply
    190,421.36x = 262,777.44 × 105,537.68
  4. Step 4: Simplify right side
    190,421.36x = 27,732,921,373.94
  5. Step 5: Solve for x
    x = 27,732,921,373.94/190,421.36
  6. Step 6: Final answer
    x = 145,639.76

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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.