Home / 154,273.02-212,916.48-86,293.77

Finding the Fourth Proportional to 154,273.02, 212,916.48 and 86,293.77

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Solution

The fourth proportional to 154,273.02, 212,916.48 and 86,293.77 is: 119,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,273.02 : 212,916.48 = 86,293.77 : x
  2. Step 2: Convert to fraction form
    154,273.02/212,916.48 = 86,293.77/x
  3. Step 3: Cross multiply
    154,273.02x = 212,916.48 × 86,293.77
  4. Step 4: Simplify right side
    154,273.02x = 18,373,365,754.33
  5. Step 5: Solve for x
    x = 18,373,365,754.33/154,273.02
  6. Step 6: Final answer
    x = 119,096.43

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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.