Home / 212,116.06-292,720.20-116,629.18

Finding the Fourth Proportional to 212,116.06, 292,720.20 and 116,629.18

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Solution

The fourth proportional to 212,116.06, 292,720.20 and 116,629.18 is: 160,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,116.06 : 292,720.20 = 116,629.18 : x
  2. Step 2: Convert to fraction form
    212,116.06/292,720.20 = 116,629.18/x
  3. Step 3: Cross multiply
    212,116.06x = 292,720.20 × 116,629.18
  4. Step 4: Simplify right side
    212,116.06x = 34,139,716,895.44
  5. Step 5: Solve for x
    x = 34,139,716,895.44/212,116.06
  6. Step 6: Final answer
    x = 160,948.29

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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.