Home / 160,623.36-221,661.72-89,004.24

Finding the Fourth Proportional to 160,623.36, 221,661.72 and 89,004.24

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Solution

The fourth proportional to 160,623.36, 221,661.72 and 89,004.24 is: 122,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,623.36 : 221,661.72 = 89,004.24 : x
  2. Step 2: Convert to fraction form
    160,623.36/221,661.72 = 89,004.24/x
  3. Step 3: Cross multiply
    160,623.36x = 221,661.72 × 89,004.24
  4. Step 4: Simplify right side
    160,623.36x = 19,728,832,925.69
  5. Step 5: Solve for x
    x = 19,728,832,925.69/160,623.36
  6. Step 6: Final answer
    x = 122,826.67

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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.