Home / 160,541.36-221,544.63-87,943.67

Finding the Fourth Proportional to 160,541.36, 221,544.63 and 87,943.67

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Solution

The fourth proportional to 160,541.36, 221,544.63 and 87,943.67 is: 121,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,541.36 : 221,544.63 = 87,943.67 : x
  2. Step 2: Convert to fraction form
    160,541.36/221,544.63 = 87,943.67/x
  3. Step 3: Cross multiply
    160,541.36x = 221,544.63 × 87,943.67
  4. Step 4: Simplify right side
    160,541.36x = 19,483,446,723.27
  5. Step 5: Solve for x
    x = 19,483,446,723.27/160,541.36
  6. Step 6: Final answer
    x = 121,360.92

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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.