Home / 197,361.93-272,343-111,316.17

Finding the Fourth Proportional to 197,361.93, 272,343 and 111,316.17

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Solution

The fourth proportional to 197,361.93, 272,343 and 111,316.17 is: 153,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,361.93 : 272,343 = 111,316.17 : x
  2. Step 2: Convert to fraction form
    197,361.93/272,343 = 111,316.17/x
  3. Step 3: Cross multiply
    197,361.93x = 272,343 × 111,316.17
  4. Step 4: Simplify right side
    197,361.93x = 30,316,179,686.31
  5. Step 5: Solve for x
    x = 30,316,179,686.31/197,361.93
  6. Step 6: Final answer
    x = 153,607.03

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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.