Home / 213,109.04-294,128.61-127,073.58

Finding the Fourth Proportional to 213,109.04, 294,128.61 and 127,073.58

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Solution

The fourth proportional to 213,109.04, 294,128.61 and 127,073.58 is: 175,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,109.04 : 294,128.61 = 127,073.58 : x
  2. Step 2: Convert to fraction form
    213,109.04/294,128.61 = 127,073.58/x
  3. Step 3: Cross multiply
    213,109.04x = 294,128.61 × 127,073.58
  4. Step 4: Simplify right side
    213,109.04x = 37,375,975,453.12
  5. Step 5: Solve for x
    x = 37,375,975,453.12/213,109.04
  6. Step 6: Final answer
    x = 175,384.28

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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.