Home / 190,077.40-262,232.04-122,084.86

Finding the Fourth Proportional to 190,077.40, 262,232.04 and 122,084.86

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Solution

The fourth proportional to 190,077.40, 262,232.04 and 122,084.86 is: 168,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,077.40 : 262,232.04 = 122,084.86 : x
  2. Step 2: Convert to fraction form
    190,077.40/262,232.04 = 122,084.86/x
  3. Step 3: Cross multiply
    190,077.40x = 262,232.04 × 122,084.86
  4. Step 4: Simplify right side
    190,077.40x = 32,014,561,890.91
  5. Step 5: Solve for x
    x = 32,014,561,890.91/190,077.40
  6. Step 6: Final answer
    x = 168,429.08

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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.