Home / 213,395.04-294,143.16-144,462.78

Finding the Fourth Proportional to 213,395.04, 294,143.16 and 144,462.78

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Solution

The fourth proportional to 213,395.04, 294,143.16 and 144,462.78 is: 199,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,395.04 : 294,143.16 = 144,462.78 : x
  2. Step 2: Convert to fraction form
    213,395.04/294,143.16 = 144,462.78/x
  3. Step 3: Cross multiply
    213,395.04x = 294,143.16 × 144,462.78
  4. Step 4: Simplify right side
    213,395.04x = 42,492,738,611.58
  5. Step 5: Solve for x
    x = 42,492,738,611.58/213,395.04
  6. Step 6: Final answer
    x = 199,127.11

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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.