Home / 212,072.80-292,653.06-116,578.81

Finding the Fourth Proportional to 212,072.80, 292,653.06 and 116,578.81

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Solution

The fourth proportional to 212,072.80, 292,653.06 and 116,578.81 is: 160,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,072.80 : 292,653.06 = 116,578.81 : x
  2. Step 2: Convert to fraction form
    212,072.80/292,653.06 = 116,578.81/x
  3. Step 3: Cross multiply
    212,072.80x = 292,653.06 × 116,578.81
  4. Step 4: Simplify right side
    212,072.80x = 34,117,145,477.66
  5. Step 5: Solve for x
    x = 34,117,145,477.66/212,072.80
  6. Step 6: Final answer
    x = 160,874.69

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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.