Home / 213,720.57-294,933.20-118,225.22

Finding the Fourth Proportional to 213,720.57, 294,933.20 and 118,225.22

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Solution

The fourth proportional to 213,720.57, 294,933.20 and 118,225.22 is: 163,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,720.57 : 294,933.20 = 118,225.22 : x
  2. Step 2: Convert to fraction form
    213,720.57/294,933.20 = 118,225.22/x
  3. Step 3: Cross multiply
    213,720.57x = 294,933.20 × 118,225.22
  4. Step 4: Simplify right side
    213,720.57x = 34,868,540,389.51
  5. Step 5: Solve for x
    x = 34,868,540,389.51/213,720.57
  6. Step 6: Final answer
    x = 163,150.14

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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.