Home / 201,542.40-302,313.83-51,783.93

Finding the Fourth Proportional to 201,542.40, 302,313.83 and 51,783.93

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Solution

The fourth proportional to 201,542.40, 302,313.83 and 51,783.93 is: 77,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,542.40 : 302,313.83 = 51,783.93 : x
  2. Step 2: Convert to fraction form
    201,542.40/302,313.83 = 51,783.93/x
  3. Step 3: Cross multiply
    201,542.40x = 302,313.83 × 51,783.93
  4. Step 4: Simplify right side
    201,542.40x = 15,654,997,951.83
  5. Step 5: Solve for x
    x = 15,654,997,951.83/201,542.40
  6. Step 6: Final answer
    x = 77,675.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.