Home / 139,536.04-192,563.40-75,877.60

Finding the Fourth Proportional to 139,536.04, 192,563.40 and 75,877.60

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Solution

The fourth proportional to 139,536.04, 192,563.40 and 75,877.60 is: 104,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,536.04 : 192,563.40 = 75,877.60 : x
  2. Step 2: Convert to fraction form
    139,536.04/192,563.40 = 75,877.60/x
  3. Step 3: Cross multiply
    139,536.04x = 192,563.40 × 75,877.60
  4. Step 4: Simplify right side
    139,536.04x = 14,611,248,639.84
  5. Step 5: Solve for x
    x = 14,611,248,639.84/139,536.04
  6. Step 6: Final answer
    x = 104,713.08

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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.