Home / 134,598.78-185,737.86-80,852.04

Finding the Fourth Proportional to 134,598.78, 185,737.86 and 80,852.04

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Solution

The fourth proportional to 134,598.78, 185,737.86 and 80,852.04 is: 111,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,598.78 : 185,737.86 = 80,852.04 : x
  2. Step 2: Convert to fraction form
    134,598.78/185,737.86 = 80,852.04/x
  3. Step 3: Cross multiply
    134,598.78x = 185,737.86 × 80,852.04
  4. Step 4: Simplify right side
    134,598.78x = 15,017,284,886.23
  5. Step 5: Solve for x
    x = 15,017,284,886.23/134,598.78
  6. Step 6: Final answer
    x = 111,570.74

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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.