Home / 190,143.55-262,401.21-104,101.10

Finding the Fourth Proportional to 190,143.55, 262,401.21 and 104,101.10

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Solution

The fourth proportional to 190,143.55, 262,401.21 and 104,101.10 is: 143,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.55 : 262,401.21 = 104,101.10 : x
  2. Step 2: Convert to fraction form
    190,143.55/262,401.21 = 104,101.10/x
  3. Step 3: Cross multiply
    190,143.55x = 262,401.21 × 104,101.10
  4. Step 4: Simplify right side
    190,143.55x = 27,316,254,602.33
  5. Step 5: Solve for x
    x = 27,316,254,602.33/190,143.55
  6. Step 6: Final answer
    x = 143,661.22

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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.