Home / 197,258.77-272,211.65-111,217.01

Finding the Fourth Proportional to 197,258.77, 272,211.65 and 111,217.01

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Solution

The fourth proportional to 197,258.77, 272,211.65 and 111,217.01 is: 153,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,258.77 : 272,211.65 = 111,217.01 : x
  2. Step 2: Convert to fraction form
    197,258.77/272,211.65 = 111,217.01/x
  3. Step 3: Cross multiply
    197,258.77x = 272,211.65 × 111,217.01
  4. Step 4: Simplify right side
    197,258.77x = 30,274,565,800.17
  5. Step 5: Solve for x
    x = 30,274,565,800.17/197,258.77
  6. Step 6: Final answer
    x = 153,476.40

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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.