Home / 198,695.60-274,207.13-113,829.07

Finding the Fourth Proportional to 198,695.60, 274,207.13 and 113,829.07

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Solution

The fourth proportional to 198,695.60, 274,207.13 and 113,829.07 is: 157,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,695.60 : 274,207.13 = 113,829.07 : x
  2. Step 2: Convert to fraction form
    198,695.60/274,207.13 = 113,829.07/x
  3. Step 3: Cross multiply
    198,695.60x = 274,207.13 × 113,829.07
  4. Step 4: Simplify right side
    198,695.60x = 31,212,742,595.27
  5. Step 5: Solve for x
    x = 31,212,742,595.27/198,695.60
  6. Step 6: Final answer
    x = 157,088.24

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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.