Home / 213,503.34-294,663.90-122,857.45

Finding the Fourth Proportional to 213,503.34, 294,663.90 and 122,857.45

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Solution

The fourth proportional to 213,503.34, 294,663.90 and 122,857.45 is: 169,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,503.34 : 294,663.90 = 122,857.45 : x
  2. Step 2: Convert to fraction form
    213,503.34/294,663.90 = 122,857.45/x
  3. Step 3: Cross multiply
    213,503.34x = 294,663.90 × 122,857.45
  4. Step 4: Simplify right side
    213,503.34x = 36,201,655,361.06
  5. Step 5: Solve for x
    x = 36,201,655,361.06/213,503.34
  6. Step 6: Final answer
    x = 169,560.14

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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.