Home / 189,152.58-261,025.64-103,113.27

Finding the Fourth Proportional to 189,152.58, 261,025.64 and 103,113.27

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Solution

The fourth proportional to 189,152.58, 261,025.64 and 103,113.27 is: 142,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152.58 : 261,025.64 = 103,113.27 : x
  2. Step 2: Convert to fraction form
    189,152.58/261,025.64 = 103,113.27/x
  3. Step 3: Cross multiply
    189,152.58x = 261,025.64 × 103,113.27
  4. Step 4: Simplify right side
    189,152.58x = 26,915,207,294.24
  5. Step 5: Solve for x
    x = 26,915,207,294.24/189,152.58
  6. Step 6: Final answer
    x = 142,293.63

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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.