Home / 219,883.50-329,808.69-70,117.74

Finding the Fourth Proportional to 219,883.50, 329,808.69 and 70,117.74

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Solution

The fourth proportional to 219,883.50, 329,808.69 and 70,117.74 is: 105,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883.50 : 329,808.69 = 70,117.74 : x
  2. Step 2: Convert to fraction form
    219,883.50/329,808.69 = 70,117.74/x
  3. Step 3: Cross multiply
    219,883.50x = 329,808.69 × 70,117.74
  4. Step 4: Simplify right side
    219,883.50x = 23,125,439,975.16
  5. Step 5: Solve for x
    x = 23,125,439,975.16/219,883.50
  6. Step 6: Final answer
    x = 105,171.33

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1.5x scale

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.