Home / 188,825.60-260,557.95-111,296.18

Finding the Fourth Proportional to 188,825.60, 260,557.95 and 111,296.18

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Solution

The fourth proportional to 188,825.60, 260,557.95 and 111,296.18 is: 153,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,825.60 : 260,557.95 = 111,296.18 : x
  2. Step 2: Convert to fraction form
    188,825.60/260,557.95 = 111,296.18/x
  3. Step 3: Cross multiply
    188,825.60x = 260,557.95 × 111,296.18
  4. Step 4: Simplify right side
    188,825.60x = 28,999,104,503.63
  5. Step 5: Solve for x
    x = 28,999,104,503.63/188,825.60
  6. Step 6: Final answer
    x = 153,576.13

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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.