Home / 147,818.36-203,989.53-84,156.15

Finding the Fourth Proportional to 147,818.36, 203,989.53 and 84,156.15

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Solution

The fourth proportional to 147,818.36, 203,989.53 and 84,156.15 is: 116,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.36 : 203,989.53 = 84,156.15 : x
  2. Step 2: Convert to fraction form
    147,818.36/203,989.53 = 84,156.15/x
  3. Step 3: Cross multiply
    147,818.36x = 203,989.53 × 84,156.15
  4. Step 4: Simplify right side
    147,818.36x = 17,166,973,485.11
  5. Step 5: Solve for x
    x = 17,166,973,485.11/147,818.36
  6. Step 6: Final answer
    x = 116,135.60

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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.