Home / 190,741.96-263,211.64-119,117.68

Finding the Fourth Proportional to 190,741.96, 263,211.64 and 119,117.68

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Solution

The fourth proportional to 190,741.96, 263,211.64 and 119,117.68 is: 164,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,741.96 : 263,211.64 = 119,117.68 : x
  2. Step 2: Convert to fraction form
    190,741.96/263,211.64 = 119,117.68/x
  3. Step 3: Cross multiply
    190,741.96x = 263,211.64 × 119,117.68
  4. Step 4: Simplify right side
    190,741.96x = 31,353,159,905.80
  5. Step 5: Solve for x
    x = 31,353,159,905.80/190,741.96
  6. Step 6: Final answer
    x = 164,374.74

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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.