Home / 213,534.63-294,663.77-122,875.97

Finding the Fourth Proportional to 213,534.63, 294,663.77 and 122,875.97

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Solution

The fourth proportional to 213,534.63, 294,663.77 and 122,875.97 is: 169,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,534.63 : 294,663.77 = 122,875.97 : x
  2. Step 2: Convert to fraction form
    213,534.63/294,663.77 = 122,875.97/x
  3. Step 3: Cross multiply
    213,534.63x = 294,663.77 × 122,875.97
  4. Step 4: Simplify right side
    213,534.63x = 36,207,096,684.89
  5. Step 5: Solve for x
    x = 36,207,096,684.89/213,534.63
  6. Step 6: Final answer
    x = 169,560.77

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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.