Home / 197,214.95-272,164.63-111,177.17

Finding the Fourth Proportional to 197,214.95, 272,164.63 and 111,177.17

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Solution

The fourth proportional to 197,214.95, 272,164.63 and 111,177.17 is: 153,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,214.95 : 272,164.63 = 111,177.17 : x
  2. Step 2: Convert to fraction form
    197,214.95/272,164.63 = 111,177.17/x
  3. Step 3: Cross multiply
    197,214.95x = 272,164.63 × 111,177.17
  4. Step 4: Simplify right side
    197,214.95x = 30,258,493,623.22
  5. Step 5: Solve for x
    x = 30,258,493,623.22/197,214.95
  6. Step 6: Final answer
    x = 153,429.01

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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.