Home / 212,240.66-292,913.57-121,608.64

Finding the Fourth Proportional to 212,240.66, 292,913.57 and 121,608.64

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Solution

The fourth proportional to 212,240.66, 292,913.57 and 121,608.64 is: 167,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,240.66 : 292,913.57 = 121,608.64 : x
  2. Step 2: Convert to fraction form
    212,240.66/292,913.57 = 121,608.64/x
  3. Step 3: Cross multiply
    212,240.66x = 292,913.57 × 121,608.64
  4. Step 4: Simplify right side
    212,240.66x = 35,620,820,871.36
  5. Step 5: Solve for x
    x = 35,620,820,871.36/212,240.66
  6. Step 6: Final answer
    x = 167,832.22

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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.