Home / 190,155.64-262,332.38-114,662.20

Finding the Fourth Proportional to 190,155.64, 262,332.38 and 114,662.20

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Solution

The fourth proportional to 190,155.64, 262,332.38 and 114,662.20 is: 158,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,155.64 : 262,332.38 = 114,662.20 : x
  2. Step 2: Convert to fraction form
    190,155.64/262,332.38 = 114,662.20/x
  3. Step 3: Cross multiply
    190,155.64x = 262,332.38 × 114,662.20
  4. Step 4: Simplify right side
    190,155.64x = 30,079,607,822.04
  5. Step 5: Solve for x
    x = 30,079,607,822.04/190,155.64
  6. Step 6: Final answer
    x = 158,184.15

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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.