Home / 213,480.12-294,598.08-117,984.72

Finding the Fourth Proportional to 213,480.12, 294,598.08 and 117,984.72

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Solution

The fourth proportional to 213,480.12, 294,598.08 and 117,984.72 is: 162,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,480.12 : 294,598.08 = 117,984.72 : x
  2. Step 2: Convert to fraction form
    213,480.12/294,598.08 = 117,984.72/x
  3. Step 3: Cross multiply
    213,480.12x = 294,598.08 × 117,984.72
  4. Step 4: Simplify right side
    213,480.12x = 34,758,071,981.34
  5. Step 5: Solve for x
    x = 34,758,071,981.34/213,480.12
  6. Step 6: Final answer
    x = 162,816.43

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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.