Home / 197,904.40-296,856.60-145,416.40

Finding the Fourth Proportional to 197,904.40, 296,856.60 and 145,416.40

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Solution

The fourth proportional to 197,904.40, 296,856.60 and 145,416.40 is: 218,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,904.40 : 296,856.60 = 145,416.40 : x
  2. Step 2: Convert to fraction form
    197,904.40/296,856.60 = 145,416.40/x
  3. Step 3: Cross multiply
    197,904.40x = 296,856.60 × 145,416.40
  4. Step 4: Simplify right side
    197,904.40x = 43,167,818,088.24
  5. Step 5: Solve for x
    x = 43,167,818,088.24/197,904.40
  6. Step 6: Final answer
    x = 218,124.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.