Home / 114,020.20-171,030.30-47,438.20

Finding the Fourth Proportional to 114,020.20, 171,030.30 and 47,438.20

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Solution

The fourth proportional to 114,020.20, 171,030.30 and 47,438.20 is: 71,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.20 : 171,030.30 = 47,438.20 : x
  2. Step 2: Convert to fraction form
    114,020.20/171,030.30 = 47,438.20/x
  3. Step 3: Cross multiply
    114,020.20x = 171,030.30 × 47,438.20
  4. Step 4: Simplify right side
    114,020.20x = 8,113,369,577.46
  5. Step 5: Solve for x
    x = 8,113,369,577.46/114,020.20
  6. Step 6: Final answer
    x = 71,157.30

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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.