Home / 202,496.06-279,442.80-111,858.35

Finding the Fourth Proportional to 202,496.06, 279,442.80 and 111,858.35

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Solution

The fourth proportional to 202,496.06, 279,442.80 and 111,858.35 is: 154,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,496.06 : 279,442.80 = 111,858.35 : x
  2. Step 2: Convert to fraction form
    202,496.06/279,442.80 = 111,858.35/x
  3. Step 3: Cross multiply
    202,496.06x = 279,442.80 × 111,858.35
  4. Step 4: Simplify right side
    202,496.06x = 31,258,009,130.17
  5. Step 5: Solve for x
    x = 31,258,009,130.17/202,496.06
  6. Step 6: Final answer
    x = 154,363.55

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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.