Home / 189,933.23-262,114.71-105,050.90

Finding the Fourth Proportional to 189,933.23, 262,114.71 and 105,050.90

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Solution

The fourth proportional to 189,933.23, 262,114.71 and 105,050.90 is: 144,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,933.23 : 262,114.71 = 105,050.90 : x
  2. Step 2: Convert to fraction form
    189,933.23/262,114.71 = 105,050.90/x
  3. Step 3: Cross multiply
    189,933.23x = 262,114.71 × 105,050.90
  4. Step 4: Simplify right side
    189,933.23x = 27,535,386,188.74
  5. Step 5: Solve for x
    x = 27,535,386,188.74/189,933.23
  6. Step 6: Final answer
    x = 144,974.03

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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.