Home / 209,175.15-288,650.62-118,532.19

Finding the Fourth Proportional to 209,175.15, 288,650.62 and 118,532.19

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Solution

The fourth proportional to 209,175.15, 288,650.62 and 118,532.19 is: 163,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,175.15 : 288,650.62 = 118,532.19 : x
  2. Step 2: Convert to fraction form
    209,175.15/288,650.62 = 118,532.19/x
  3. Step 3: Cross multiply
    209,175.15x = 288,650.62 × 118,532.19
  4. Step 4: Simplify right side
    209,175.15x = 34,214,390,133.46
  5. Step 5: Solve for x
    x = 34,214,390,133.46/209,175.15
  6. Step 6: Final answer
    x = 163,568.14

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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.