Home / 103,124.45-154,380.36-56,235.17

Finding the Fourth Proportional to 103,124.45, 154,380.36 and 56,235.17

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Solution

The fourth proportional to 103,124.45, 154,380.36 and 56,235.17 is: 84,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,124.45 : 154,380.36 = 56,235.17 : x
  2. Step 2: Convert to fraction form
    103,124.45/154,380.36 = 56,235.17/x
  3. Step 3: Cross multiply
    103,124.45x = 154,380.36 × 56,235.17
  4. Step 4: Simplify right side
    103,124.45x = 8,681,605,789.26
  5. Step 5: Solve for x
    x = 8,681,605,789.26/103,124.45
  6. Step 6: Final answer
    x = 84,185.72

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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.