Home / 213,387.92-294,225.54-145,445.12

Finding the Fourth Proportional to 213,387.92, 294,225.54 and 145,445.12

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Solution

The fourth proportional to 213,387.92, 294,225.54 and 145,445.12 is: 200,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,387.92 : 294,225.54 = 145,445.12 : x
  2. Step 2: Convert to fraction form
    213,387.92/294,225.54 = 145,445.12/x
  3. Step 3: Cross multiply
    213,387.92x = 294,225.54 × 145,445.12
  4. Step 4: Simplify right side
    213,387.92x = 42,793,668,972.36
  5. Step 5: Solve for x
    x = 42,793,668,972.36/213,387.92
  6. Step 6: Final answer
    x = 200,544.01

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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.