Home / 209,192.01-288,683.96-113,698.71

Finding the Fourth Proportional to 209,192.01, 288,683.96 and 113,698.71

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Solution

The fourth proportional to 209,192.01, 288,683.96 and 113,698.71 is: 156,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,192.01 : 288,683.96 = 113,698.71 : x
  2. Step 2: Convert to fraction form
    209,192.01/288,683.96 = 113,698.71/x
  3. Step 3: Cross multiply
    209,192.01x = 288,683.96 × 113,698.71
  4. Step 4: Simplify right side
    209,192.01x = 32,822,993,281.20
  5. Step 5: Solve for x
    x = 32,822,993,281.20/209,192.01
  6. Step 6: Final answer
    x = 156,903.67

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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.