Home / 160,633.58-221,683.26-89,012.12

Finding the Fourth Proportional to 160,633.58, 221,683.26 and 89,012.12

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Solution

The fourth proportional to 160,633.58, 221,683.26 and 89,012.12 is: 122,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.58 : 221,683.26 = 89,012.12 : x
  2. Step 2: Convert to fraction form
    160,633.58/221,683.26 = 89,012.12/x
  3. Step 3: Cross multiply
    160,633.58x = 221,683.26 × 89,012.12
  4. Step 4: Simplify right side
    160,633.58x = 19,732,496,941.11
  5. Step 5: Solve for x
    x = 19,732,496,941.11/160,633.58
  6. Step 6: Final answer
    x = 122,841.67

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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.