Home / 190,103.84-262,355.52-109,529.92

Finding the Fourth Proportional to 190,103.84, 262,355.52 and 109,529.92

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Solution

The fourth proportional to 190,103.84, 262,355.52 and 109,529.92 is: 151,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.84 : 262,355.52 = 109,529.92 : x
  2. Step 2: Convert to fraction form
    190,103.84/262,355.52 = 109,529.92/x
  3. Step 3: Cross multiply
    190,103.84x = 262,355.52 × 109,529.92
  4. Step 4: Simplify right side
    190,103.84x = 28,735,779,117.16
  5. Step 5: Solve for x
    x = 28,735,779,117.16/190,103.84
  6. Step 6: Final answer
    x = 151,158.33

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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.