Home / 125,423.02-188,145.06-31,928.50

Finding the Fourth Proportional to 125,423.02, 188,145.06 and 31,928.50

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Solution

The fourth proportional to 125,423.02, 188,145.06 and 31,928.50 is: 47,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,423.02 : 188,145.06 = 31,928.50 : x
  2. Step 2: Convert to fraction form
    125,423.02/188,145.06 = 31,928.50/x
  3. Step 3: Cross multiply
    125,423.02x = 188,145.06 × 31,928.50
  4. Step 4: Simplify right side
    125,423.02x = 6,007,189,548.21
  5. Step 5: Solve for x
    x = 6,007,189,548.21/125,423.02
  6. Step 6: Final answer
    x = 47,895.43

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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.