Home / 188,539.95-260,155.88-112,030.59

Finding the Fourth Proportional to 188,539.95, 260,155.88 and 112,030.59

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Solution

The fourth proportional to 188,539.95, 260,155.88 and 112,030.59 is: 154,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,539.95 : 260,155.88 = 112,030.59 : x
  2. Step 2: Convert to fraction form
    188,539.95/260,155.88 = 112,030.59/x
  3. Step 3: Cross multiply
    188,539.95x = 260,155.88 × 112,030.59
  4. Step 4: Simplify right side
    188,539.95x = 29,145,415,612.75
  5. Step 5: Solve for x
    x = 29,145,415,612.75/188,539.95
  6. Step 6: Final answer
    x = 154,584.83

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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.