Home / 201,421.23-277,955.75-110,777.22

Finding the Fourth Proportional to 201,421.23, 277,955.75 and 110,777.22

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Solution

The fourth proportional to 201,421.23, 277,955.75 and 110,777.22 is: 152,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,421.23 : 277,955.75 = 110,777.22 : x
  2. Step 2: Convert to fraction form
    201,421.23/277,955.75 = 110,777.22/x
  3. Step 3: Cross multiply
    201,421.23x = 277,955.75 × 110,777.22
  4. Step 4: Simplify right side
    201,421.23x = 30,791,165,268.02
  5. Step 5: Solve for x
    x = 30,791,165,268.02/201,421.23
  6. Step 6: Final answer
    x = 152,869.51

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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.