Home / 114,768.21-172,180.08-39,877.50

Finding the Fourth Proportional to 114,768.21, 172,180.08 and 39,877.50

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Solution

The fourth proportional to 114,768.21, 172,180.08 and 39,877.50 is: 59,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,768.21 : 172,180.08 = 39,877.50 : x
  2. Step 2: Convert to fraction form
    114,768.21/172,180.08 = 39,877.50/x
  3. Step 3: Cross multiply
    114,768.21x = 172,180.08 × 39,877.50
  4. Step 4: Simplify right side
    114,768.21x = 6,866,111,140.20
  5. Step 5: Solve for x
    x = 6,866,111,140.20/114,768.21
  6. Step 6: Final answer
    x = 59,825.90

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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.