Home / 202,669.12-279,684.51-110,788.55

Finding the Fourth Proportional to 202,669.12, 279,684.51 and 110,788.55

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Solution

The fourth proportional to 202,669.12, 279,684.51 and 110,788.55 is: 152,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,669.12 : 279,684.51 = 110,788.55 : x
  2. Step 2: Convert to fraction form
    202,669.12/279,684.51 = 110,788.55/x
  3. Step 3: Cross multiply
    202,669.12x = 279,684.51 × 110,788.55
  4. Step 4: Simplify right side
    202,669.12x = 30,985,841,320.36
  5. Step 5: Solve for x
    x = 30,985,841,320.36/202,669.12
  6. Step 6: Final answer
    x = 152,888.81

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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.