Home / 186,363.37-257,042.73-118,321.35

Finding the Fourth Proportional to 186,363.37, 257,042.73 and 118,321.35

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Solution

The fourth proportional to 186,363.37, 257,042.73 and 118,321.35 is: 163,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,363.37 : 257,042.73 = 118,321.35 : x
  2. Step 2: Convert to fraction form
    186,363.37/257,042.73 = 118,321.35/x
  3. Step 3: Cross multiply
    186,363.37x = 257,042.73 × 118,321.35
  4. Step 4: Simplify right side
    186,363.37x = 30,413,642,821.29
  5. Step 5: Solve for x
    x = 30,413,642,821.29/186,363.37
  6. Step 6: Final answer
    x = 163,195.39

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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.