Home / 190,138.60-262,308.90-114,645.16

Finding the Fourth Proportional to 190,138.60, 262,308.90 and 114,645.16

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Solution

The fourth proportional to 190,138.60, 262,308.90 and 114,645.16 is: 158,160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,138.60 : 262,308.90 = 114,645.16 : x
  2. Step 2: Convert to fraction form
    190,138.60/262,308.90 = 114,645.16/x
  3. Step 3: Cross multiply
    190,138.60x = 262,308.90 × 114,645.16
  4. Step 4: Simplify right side
    190,138.60x = 30,072,445,809.92
  5. Step 5: Solve for x
    x = 30,072,445,809.92/190,138.60
  6. Step 6: Final answer
    x = 158,160.66

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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.