Home / 213,719.39-294,931.53-118,224.02

Finding the Fourth Proportional to 213,719.39, 294,931.53 and 118,224.02

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Solution

The fourth proportional to 213,719.39, 294,931.53 and 118,224.02 is: 163,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,719.39 : 294,931.53 = 118,224.02 : x
  2. Step 2: Convert to fraction form
    213,719.39/294,931.53 = 118,224.02/x
  3. Step 3: Cross multiply
    213,719.39x = 294,931.53 × 118,224.02
  4. Step 4: Simplify right side
    213,719.39x = 34,867,991,101.35
  5. Step 5: Solve for x
    x = 34,867,991,101.35/213,719.39
  6. Step 6: Final answer
    x = 163,148.47

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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.