Home / 197,448.63-272,483.78-112,573.59

Finding the Fourth Proportional to 197,448.63, 272,483.78 and 112,573.59

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Solution

The fourth proportional to 197,448.63, 272,483.78 and 112,573.59 is: 155,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,448.63 : 272,483.78 = 112,573.59 : x
  2. Step 2: Convert to fraction form
    197,448.63/272,483.78 = 112,573.59/x
  3. Step 3: Cross multiply
    197,448.63x = 272,483.78 × 112,573.59
  4. Step 4: Simplify right side
    197,448.63x = 30,674,476,768.50
  5. Step 5: Solve for x
    x = 30,674,476,768.50/197,448.63
  6. Step 6: Final answer
    x = 155,354.21

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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.