Home / 212,268.51-292,951.27-158,460.11

Finding the Fourth Proportional to 212,268.51, 292,951.27 and 158,460.11

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Solution

The fourth proportional to 212,268.51, 292,951.27 and 158,460.11 is: 218,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,268.51 : 292,951.27 = 158,460.11 : x
  2. Step 2: Convert to fraction form
    212,268.51/292,951.27 = 158,460.11/x
  3. Step 3: Cross multiply
    212,268.51x = 292,951.27 × 158,460.11
  4. Step 4: Simplify right side
    212,268.51x = 46,421,090,489.85
  5. Step 5: Solve for x
    x = 46,421,090,489.85/212,268.51
  6. Step 6: Final answer
    x = 218,690.42

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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.