Home / 160,535.36-221,536.35-87,937.67

Finding the Fourth Proportional to 160,535.36, 221,536.35 and 87,937.67

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Solution

The fourth proportional to 160,535.36, 221,536.35 and 87,937.67 is: 121,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,535.36 : 221,536.35 = 87,937.67 : x
  2. Step 2: Convert to fraction form
    160,535.36/221,536.35 = 87,937.67/x
  3. Step 3: Cross multiply
    160,535.36x = 221,536.35 × 87,937.67
  4. Step 4: Simplify right side
    160,535.36x = 19,481,389,331.62
  5. Step 5: Solve for x
    x = 19,481,389,331.62/160,535.36
  6. Step 6: Final answer
    x = 121,352.64

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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.