Home / 190,331.88-262,609.38-118,746.60

Finding the Fourth Proportional to 190,331.88, 262,609.38 and 118,746.60

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Solution

The fourth proportional to 190,331.88, 262,609.38 and 118,746.60 is: 163,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,331.88 : 262,609.38 = 118,746.60 : x
  2. Step 2: Convert to fraction form
    190,331.88/262,609.38 = 118,746.60/x
  3. Step 3: Cross multiply
    190,331.88x = 262,609.38 × 118,746.60
  4. Step 4: Simplify right side
    190,331.88x = 31,183,971,003.11
  5. Step 5: Solve for x
    x = 31,183,971,003.11/190,331.88
  6. Step 6: Final answer
    x = 163,839.98

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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.