Home / 197,362.31-272,343.53-111,316.55

Finding the Fourth Proportional to 197,362.31, 272,343.53 and 111,316.55

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Solution

The fourth proportional to 197,362.31, 272,343.53 and 111,316.55 is: 153,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,362.31 : 272,343.53 = 111,316.55 : x
  2. Step 2: Convert to fraction form
    197,362.31/272,343.53 = 111,316.55/x
  3. Step 3: Cross multiply
    197,362.31x = 272,343.53 × 111,316.55
  4. Step 4: Simplify right side
    197,362.31x = 30,316,341,091.00
  5. Step 5: Solve for x
    x = 30,316,341,091.00/197,362.31
  6. Step 6: Final answer
    x = 153,607.55

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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.