Home / 139,264.24-192,185.04-75,602.32

Finding the Fourth Proportional to 139,264.24, 192,185.04 and 75,602.32

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Solution

The fourth proportional to 139,264.24, 192,185.04 and 75,602.32 is: 104,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,264.24 : 192,185.04 = 75,602.32 : x
  2. Step 2: Convert to fraction form
    139,264.24/192,185.04 = 75,602.32/x
  3. Step 3: Cross multiply
    139,264.24x = 192,185.04 × 75,602.32
  4. Step 4: Simplify right side
    139,264.24x = 14,529,634,893.29
  5. Step 5: Solve for x
    x = 14,529,634,893.29/139,264.24
  6. Step 6: Final answer
    x = 104,331.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.