Home / 189,526.14-261,486.81-108,924.12

Finding the Fourth Proportional to 189,526.14, 261,486.81 and 108,924.12

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Solution

The fourth proportional to 189,526.14, 261,486.81 and 108,924.12 is: 150,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,526.14 : 261,486.81 = 108,924.12 : x
  2. Step 2: Convert to fraction form
    189,526.14/261,486.81 = 108,924.12/x
  3. Step 3: Cross multiply
    189,526.14x = 261,486.81 × 108,924.12
  4. Step 4: Simplify right side
    189,526.14x = 28,482,220,670.86
  5. Step 5: Solve for x
    x = 28,482,220,670.86/189,526.14
  6. Step 6: Final answer
    x = 150,281.23

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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.