Home / 135,573.04-187,090.32-75,957.04

Finding the Fourth Proportional to 135,573.04, 187,090.32 and 75,957.04

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Solution

The fourth proportional to 135,573.04, 187,090.32 and 75,957.04 is: 104,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,573.04 : 187,090.32 = 75,957.04 : x
  2. Step 2: Convert to fraction form
    135,573.04/187,090.32 = 75,957.04/x
  3. Step 3: Cross multiply
    135,573.04x = 187,090.32 × 75,957.04
  4. Step 4: Simplify right side
    135,573.04x = 14,210,826,919.85
  5. Step 5: Solve for x
    x = 14,210,826,919.85/135,573.04
  6. Step 6: Final answer
    x = 104,820.45

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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.