Home / 199,089.74-274,725.60-118,536.86

Finding the Fourth Proportional to 199,089.74, 274,725.60 and 118,536.86

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Solution

The fourth proportional to 199,089.74, 274,725.60 and 118,536.86 is: 163,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,089.74 : 274,725.60 = 118,536.86 : x
  2. Step 2: Convert to fraction form
    199,089.74/274,725.60 = 118,536.86/x
  3. Step 3: Cross multiply
    199,089.74x = 274,725.60 × 118,536.86
  4. Step 4: Simplify right side
    199,089.74x = 32,565,109,985.62
  5. Step 5: Solve for x
    x = 32,565,109,985.62/199,089.74
  6. Step 6: Final answer
    x = 163,570.01

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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.