Home / 190,314.32-262,622.40-105,425.24

Finding the Fourth Proportional to 190,314.32, 262,622.40 and 105,425.24

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Solution

The fourth proportional to 190,314.32, 262,622.40 and 105,425.24 is: 145,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,314.32 : 262,622.40 = 105,425.24 : x
  2. Step 2: Convert to fraction form
    190,314.32/262,622.40 = 105,425.24/x
  3. Step 3: Cross multiply
    190,314.32x = 262,622.40 × 105,425.24
  4. Step 4: Simplify right side
    190,314.32x = 27,687,029,549.38
  5. Step 5: Solve for x
    x = 27,687,029,549.38/190,314.32
  6. Step 6: Final answer
    x = 145,480.54

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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.