Home / 148,611.36-205,055.10-84,935.64

Finding the Fourth Proportional to 148,611.36, 205,055.10 and 84,935.64

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Solution

The fourth proportional to 148,611.36, 205,055.10 and 84,935.64 is: 117,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,611.36 : 205,055.10 = 84,935.64 : x
  2. Step 2: Convert to fraction form
    148,611.36/205,055.10 = 84,935.64/x
  3. Step 3: Cross multiply
    148,611.36x = 205,055.10 × 84,935.64
  4. Step 4: Simplify right side
    148,611.36x = 17,416,486,153.76
  5. Step 5: Solve for x
    x = 17,416,486,153.76/148,611.36
  6. Step 6: Final answer
    x = 117,194.85

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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.