Home / 143,459.83-198,116.58-118,216.36

Finding the Fourth Proportional to 143,459.83, 198,116.58 and 118,216.36

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Solution

The fourth proportional to 143,459.83, 198,116.58 and 118,216.36 is: 163,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,459.83 : 198,116.58 = 118,216.36 : x
  2. Step 2: Convert to fraction form
    143,459.83/198,116.58 = 118,216.36/x
  3. Step 3: Cross multiply
    143,459.83x = 198,116.58 × 118,216.36
  4. Step 4: Simplify right side
    143,459.83x = 23,420,620,943.25
  5. Step 5: Solve for x
    x = 23,420,620,943.25/143,459.83
  6. Step 6: Final answer
    x = 163,255.60

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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.