Home / 189,452.45-261,446.55-104,569.58

Finding the Fourth Proportional to 189,452.45, 261,446.55 and 104,569.58

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Solution

The fourth proportional to 189,452.45, 261,446.55 and 104,569.58 is: 144,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,452.45 : 261,446.55 = 104,569.58 : x
  2. Step 2: Convert to fraction form
    189,452.45/261,446.55 = 104,569.58/x
  3. Step 3: Cross multiply
    189,452.45x = 261,446.55 × 104,569.58
  4. Step 4: Simplify right side
    189,452.45x = 27,339,355,925.95
  5. Step 5: Solve for x
    x = 27,339,355,925.95/189,452.45
  6. Step 6: Final answer
    x = 144,307.22

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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.