Home / 202,965.51-280,087.98-111,084.35

Finding the Fourth Proportional to 202,965.51, 280,087.98 and 111,084.35

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Solution

The fourth proportional to 202,965.51, 280,087.98 and 111,084.35 is: 153,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,965.51 : 280,087.98 = 111,084.35 : x
  2. Step 2: Convert to fraction form
    202,965.51/280,087.98 = 111,084.35/x
  3. Step 3: Cross multiply
    202,965.51x = 280,087.98 × 111,084.35
  4. Step 4: Simplify right side
    202,965.51x = 31,113,391,109.13
  5. Step 5: Solve for x
    x = 31,113,391,109.13/202,965.51
  6. Step 6: Final answer
    x = 153,293.98

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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.