Home / 134,106.90-185,067.58-73,681.42

Finding the Fourth Proportional to 134,106.90, 185,067.58 and 73,681.42

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Solution

The fourth proportional to 134,106.90, 185,067.58 and 73,681.42 is: 101,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,106.90 : 185,067.58 = 73,681.42 : x
  2. Step 2: Convert to fraction form
    134,106.90/185,067.58 = 73,681.42/x
  3. Step 3: Cross multiply
    134,106.90x = 185,067.58 × 73,681.42
  4. Step 4: Simplify right side
    134,106.90x = 13,636,042,090.36
  5. Step 5: Solve for x
    x = 13,636,042,090.36/134,106.90
  6. Step 6: Final answer
    x = 101,680.39

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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.