Home / 207,611.37-286,503.69-112,118.06

Finding the Fourth Proportional to 207,611.37, 286,503.69 and 112,118.06

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Solution

The fourth proportional to 207,611.37, 286,503.69 and 112,118.06 is: 154,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,611.37 : 286,503.69 = 112,118.06 : x
  2. Step 2: Convert to fraction form
    207,611.37/286,503.69 = 112,118.06/x
  3. Step 3: Cross multiply
    207,611.37x = 286,503.69 × 112,118.06
  4. Step 4: Simplify right side
    207,611.37x = 32,122,237,905.64
  5. Step 5: Solve for x
    x = 32,122,237,905.64/207,611.37
  6. Step 6: Final answer
    x = 154,722.92

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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.