Home / 202,427.37-279,349.70-111,783.51

Finding the Fourth Proportional to 202,427.37, 279,349.70 and 111,783.51

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Solution

The fourth proportional to 202,427.37, 279,349.70 and 111,783.51 is: 154,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,427.37 : 279,349.70 = 111,783.51 : x
  2. Step 2: Convert to fraction form
    202,427.37/279,349.70 = 111,783.51/x
  3. Step 3: Cross multiply
    202,427.37x = 279,349.70 × 111,783.51
  4. Step 4: Simplify right side
    202,427.37x = 31,226,689,424.53
  5. Step 5: Solve for x
    x = 31,226,689,424.53/202,427.37
  6. Step 6: Final answer
    x = 154,261.20

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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.