Home / 189,928.42-262,084.89-105,024.22

Finding the Fourth Proportional to 189,928.42, 262,084.89 and 105,024.22

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Solution

The fourth proportional to 189,928.42, 262,084.89 and 105,024.22 is: 144,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,928.42 : 262,084.89 = 105,024.22 : x
  2. Step 2: Convert to fraction form
    189,928.42/262,084.89 = 105,024.22/x
  3. Step 3: Cross multiply
    189,928.42x = 262,084.89 × 105,024.22
  4. Step 4: Simplify right side
    189,928.42x = 27,525,261,146.04
  5. Step 5: Solve for x
    x = 27,525,261,146.04/189,928.42
  6. Step 6: Final answer
    x = 144,924.39

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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.