Home / 197,426.76-272,448.65-111,385.63

Finding the Fourth Proportional to 197,426.76, 272,448.65 and 111,385.63

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Solution

The fourth proportional to 197,426.76, 272,448.65 and 111,385.63 is: 153,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,426.76 : 272,448.65 = 111,385.63 : x
  2. Step 2: Convert to fraction form
    197,426.76/272,448.65 = 111,385.63/x
  3. Step 3: Cross multiply
    197,426.76x = 272,448.65 × 111,385.63
  4. Step 4: Simplify right side
    197,426.76x = 30,346,862,603.73
  5. Step 5: Solve for x
    x = 30,346,862,603.73/197,426.76
  6. Step 6: Final answer
    x = 153,712.00

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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.