Home / 190,143.42-262,193.87-160,258.07

Finding the Fourth Proportional to 190,143.42, 262,193.87 and 160,258.07

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Solution

The fourth proportional to 190,143.42, 262,193.87 and 160,258.07 is: 220,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.42 : 262,193.87 = 160,258.07 : x
  2. Step 2: Convert to fraction form
    190,143.42/262,193.87 = 160,258.07/x
  3. Step 3: Cross multiply
    190,143.42x = 262,193.87 × 160,258.07
  4. Step 4: Simplify right side
    190,143.42x = 42,018,682,661.71
  5. Step 5: Solve for x
    x = 42,018,682,661.71/190,143.42
  6. Step 6: Final answer
    x = 220,984.15

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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.