Home / 145,188.75-200,407.46-94,111.37

Finding the Fourth Proportional to 145,188.75, 200,407.46 and 94,111.37

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Solution

The fourth proportional to 145,188.75, 200,407.46 and 94,111.37 is: 129,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,188.75 : 200,407.46 = 94,111.37 : x
  2. Step 2: Convert to fraction form
    145,188.75/200,407.46 = 94,111.37/x
  3. Step 3: Cross multiply
    145,188.75x = 200,407.46 × 94,111.37
  4. Step 4: Simplify right side
    145,188.75x = 18,860,620,618.82
  5. Step 5: Solve for x
    x = 18,860,620,618.82/145,188.75
  6. Step 6: Final answer
    x = 129,904.15

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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.