Home / 114,111.99-171,126.03-39,210.87

Finding the Fourth Proportional to 114,111.99, 171,126.03 and 39,210.87

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Solution

The fourth proportional to 114,111.99, 171,126.03 and 39,210.87 is: 58,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,111.99 : 171,126.03 = 39,210.87 : x
  2. Step 2: Convert to fraction form
    114,111.99/171,126.03 = 39,210.87/x
  3. Step 3: Cross multiply
    114,111.99x = 171,126.03 × 39,210.87
  4. Step 4: Simplify right side
    114,111.99x = 6,710,000,515.95
  5. Step 5: Solve for x
    x = 6,710,000,515.95/114,111.99
  6. Step 6: Final answer
    x = 58,801.89

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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.