Home / 219,017.20-328,566.36-69,295.18

Finding the Fourth Proportional to 219,017.20, 328,566.36 and 69,295.18

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Solution

The fourth proportional to 219,017.20, 328,566.36 and 69,295.18 is: 103,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,017.20 : 328,566.36 = 69,295.18 : x
  2. Step 2: Convert to fraction form
    219,017.20/328,566.36 = 69,295.18/x
  3. Step 3: Cross multiply
    219,017.20x = 328,566.36 × 69,295.18
  4. Step 4: Simplify right side
    219,017.20x = 22,768,065,058.14
  5. Step 5: Solve for x
    x = 22,768,065,058.14/219,017.20
  6. Step 6: Final answer
    x = 103,955.60

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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.