Home / 213,980.88-295,295.04-118,493.76

Finding the Fourth Proportional to 213,980.88, 295,295.04 and 118,493.76

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Solution

The fourth proportional to 213,980.88, 295,295.04 and 118,493.76 is: 163,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,980.88 : 295,295.04 = 118,493.76 : x
  2. Step 2: Convert to fraction form
    213,980.88/295,295.04 = 118,493.76/x
  3. Step 3: Cross multiply
    213,980.88x = 295,295.04 × 118,493.76
  4. Step 4: Simplify right side
    213,980.88x = 34,990,619,598.95
  5. Step 5: Solve for x
    x = 34,990,619,598.95/213,980.88
  6. Step 6: Final answer
    x = 163,522.18

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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.