Home / 190,417.46-262,765.98-109,840.19

Finding the Fourth Proportional to 190,417.46, 262,765.98 and 109,840.19

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Solution

The fourth proportional to 190,417.46, 262,765.98 and 109,840.19 is: 151,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,417.46 : 262,765.98 = 109,840.19 : x
  2. Step 2: Convert to fraction form
    190,417.46/262,765.98 = 109,840.19/x
  3. Step 3: Cross multiply
    190,417.46x = 262,765.98 × 109,840.19
  4. Step 4: Simplify right side
    190,417.46x = 28,862,265,168.74
  5. Step 5: Solve for x
    x = 28,862,265,168.74/190,417.46
  6. Step 6: Final answer
    x = 151,573.63

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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.