Home / 197,495.84-272,537.50-112,640.24

Finding the Fourth Proportional to 197,495.84, 272,537.50 and 112,640.24

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Solution

The fourth proportional to 197,495.84, 272,537.50 and 112,640.24 is: 155,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,495.84 : 272,537.50 = 112,640.24 : x
  2. Step 2: Convert to fraction form
    197,495.84/272,537.50 = 112,640.24/x
  3. Step 3: Cross multiply
    197,495.84x = 272,537.50 × 112,640.24
  4. Step 4: Simplify right side
    197,495.84x = 30,698,689,409
  5. Step 5: Solve for x
    x = 30,698,689,409/197,495.84
  6. Step 6: Final answer
    x = 155,439.68

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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.