Home / 190,492.32-262,866.56-109,923.20

Finding the Fourth Proportional to 190,492.32, 262,866.56 and 109,923.20

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Solution

The fourth proportional to 190,492.32, 262,866.56 and 109,923.20 is: 151,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,492.32 : 262,866.56 = 109,923.20 : x
  2. Step 2: Convert to fraction form
    190,492.32/262,866.56 = 109,923.20/x
  3. Step 3: Cross multiply
    190,492.32x = 262,866.56 × 109,923.20
  4. Step 4: Simplify right side
    190,492.32x = 28,895,133,448.19
  5. Step 5: Solve for x
    x = 28,895,133,448.19/190,492.32
  6. Step 6: Final answer
    x = 151,686.61

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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.