Home / 209,168.45-288,641.42-118,525.50

Finding the Fourth Proportional to 209,168.45, 288,641.42 and 118,525.50

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Solution

The fourth proportional to 209,168.45, 288,641.42 and 118,525.50 is: 163,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,168.45 : 288,641.42 = 118,525.50 : x
  2. Step 2: Convert to fraction form
    209,168.45/288,641.42 = 118,525.50/x
  3. Step 3: Cross multiply
    209,168.45x = 288,641.42 × 118,525.50
  4. Step 4: Simplify right side
    209,168.45x = 34,211,368,033.58
  5. Step 5: Solve for x
    x = 34,211,368,033.58/209,168.45
  6. Step 6: Final answer
    x = 163,558.93

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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.