Home / 213,981.94-295,291.46-118,486.58

Finding the Fourth Proportional to 213,981.94, 295,291.46 and 118,486.58

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Solution

The fourth proportional to 213,981.94, 295,291.46 and 118,486.58 is: 163,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.94 : 295,291.46 = 118,486.58 : x
  2. Step 2: Convert to fraction form
    213,981.94/295,291.46 = 118,486.58/x
  3. Step 3: Cross multiply
    213,981.94x = 295,291.46 × 118,486.58
  4. Step 4: Simplify right side
    213,981.94x = 34,988,075,198.61
  5. Step 5: Solve for x
    x = 34,988,075,198.61/213,981.94
  6. Step 6: Final answer
    x = 163,509.48

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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.