Home / 190,349.41-262,705.50-109,776.91

Finding the Fourth Proportional to 190,349.41, 262,705.50 and 109,776.91

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Solution

The fourth proportional to 190,349.41, 262,705.50 and 109,776.91 is: 151,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,349.41 : 262,705.50 = 109,776.91 : x
  2. Step 2: Convert to fraction form
    190,349.41/262,705.50 = 109,776.91/x
  3. Step 3: Cross multiply
    190,349.41x = 262,705.50 × 109,776.91
  4. Step 4: Simplify right side
    190,349.41x = 28,838,998,030.01
  5. Step 5: Solve for x
    x = 28,838,998,030.01/190,349.41
  6. Step 6: Final answer
    x = 151,505.58

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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.