Home / 219,583.40-303,025.02-118,981.40

Finding the Fourth Proportional to 219,583.40, 303,025.02 and 118,981.40

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Solution

The fourth proportional to 219,583.40, 303,025.02 and 118,981.40 is: 164,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,583.40 : 303,025.02 = 118,981.40 : x
  2. Step 2: Convert to fraction form
    219,583.40/303,025.02 = 118,981.40/x
  3. Step 3: Cross multiply
    219,583.40x = 303,025.02 × 118,981.40
  4. Step 4: Simplify right side
    219,583.40x = 36,054,341,114.63
  5. Step 5: Solve for x
    x = 36,054,341,114.63/219,583.40
  6. Step 6: Final answer
    x = 164,194.29

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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.