Home / 193,428.03-287,801.85-188,606.91

Finding the Fourth Proportional to 193,428.03, 287,801.85 and 188,606.91

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Solution

The fourth proportional to 193,428.03, 287,801.85 and 188,606.91 is: 280,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428.03 : 287,801.85 = 188,606.91 : x
  2. Step 2: Convert to fraction form
    193,428.03/287,801.85 = 188,606.91/x
  3. Step 3: Cross multiply
    193,428.03x = 287,801.85 × 188,606.91
  4. Step 4: Simplify right side
    193,428.03x = 54,281,417,620.78
  5. Step 5: Solve for x
    x = 54,281,417,620.78/193,428.03
  6. Step 6: Final answer
    x = 280,628.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.