Home / 145,101.41-200,323.22-96,690.54

Finding the Fourth Proportional to 145,101.41, 200,323.22 and 96,690.54

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Solution

The fourth proportional to 145,101.41, 200,323.22 and 96,690.54 is: 133,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,101.41 : 200,323.22 = 96,690.54 : x
  2. Step 2: Convert to fraction form
    145,101.41/200,323.22 = 96,690.54/x
  3. Step 3: Cross multiply
    145,101.41x = 200,323.22 × 96,690.54
  4. Step 4: Simplify right side
    145,101.41x = 19,369,360,316.34
  5. Step 5: Solve for x
    x = 19,369,360,316.34/145,101.41
  6. Step 6: Final answer
    x = 133,488.44

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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.