Home / 203,686.08-281,120.59-118,803.14

Finding the Fourth Proportional to 203,686.08, 281,120.59 and 118,803.14

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Solution

The fourth proportional to 203,686.08, 281,120.59 and 118,803.14 is: 163,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,686.08 : 281,120.59 = 118,803.14 : x
  2. Step 2: Convert to fraction form
    203,686.08/281,120.59 = 118,803.14/x
  3. Step 3: Cross multiply
    203,686.08x = 281,120.59 × 118,803.14
  4. Step 4: Simplify right side
    203,686.08x = 33,398,008,607.76
  5. Step 5: Solve for x
    x = 33,398,008,607.76/203,686.08
  6. Step 6: Final answer
    x = 163,968.05

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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.