Home / 198,842.55-274,312.05-118,224.26

Finding the Fourth Proportional to 198,842.55, 274,312.05 and 118,224.26

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Solution

The fourth proportional to 198,842.55, 274,312.05 and 118,224.26 is: 163,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,842.55 : 274,312.05 = 118,224.26 : x
  2. Step 2: Convert to fraction form
    198,842.55/274,312.05 = 118,224.26/x
  3. Step 3: Cross multiply
    198,842.55x = 274,312.05 × 118,224.26
  4. Step 4: Simplify right side
    198,842.55x = 32,430,337,748.77
  5. Step 5: Solve for x
    x = 32,430,337,748.77/198,842.55
  6. Step 6: Final answer
    x = 163,095.56

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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.