Home / 212,607.47-293,400.27-117,114.54

Finding the Fourth Proportional to 212,607.47, 293,400.27 and 117,114.54

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Solution

The fourth proportional to 212,607.47, 293,400.27 and 117,114.54 is: 161,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,607.47 : 293,400.27 = 117,114.54 : x
  2. Step 2: Convert to fraction form
    212,607.47/293,400.27 = 117,114.54/x
  3. Step 3: Cross multiply
    212,607.47x = 293,400.27 × 117,114.54
  4. Step 4: Simplify right side
    212,607.47x = 34,361,437,656.93
  5. Step 5: Solve for x
    x = 34,361,437,656.93/212,607.47
  6. Step 6: Final answer
    x = 161,619.15

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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.