Home / 190,082.53-262,210.42-122,110.20

Finding the Fourth Proportional to 190,082.53, 262,210.42 and 122,110.20

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Solution

The fourth proportional to 190,082.53, 262,210.42 and 122,110.20 is: 168,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,082.53 : 262,210.42 = 122,110.20 : x
  2. Step 2: Convert to fraction form
    190,082.53/262,210.42 = 122,110.20/x
  3. Step 3: Cross multiply
    190,082.53x = 262,210.42 × 122,110.20
  4. Step 4: Simplify right side
    190,082.53x = 32,018,566,828.28
  5. Step 5: Solve for x
    x = 32,018,566,828.28/190,082.53
  6. Step 6: Final answer
    x = 168,445.61

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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.