Home / 189,972.84-262,165.32-105,089.52

Finding the Fourth Proportional to 189,972.84, 262,165.32 and 105,089.52

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Solution

The fourth proportional to 189,972.84, 262,165.32 and 105,089.52 is: 145,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,972.84 : 262,165.32 = 105,089.52 : x
  2. Step 2: Convert to fraction form
    189,972.84/262,165.32 = 105,089.52/x
  3. Step 3: Cross multiply
    189,972.84x = 262,165.32 × 105,089.52
  4. Step 4: Simplify right side
    189,972.84x = 27,550,827,639.45
  5. Step 5: Solve for x
    x = 27,550,827,639.45/189,972.84
  6. Step 6: Final answer
    x = 145,025.09

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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.