Home / 145,188.13-200,406.60-94,110.74

Finding the Fourth Proportional to 145,188.13, 200,406.60 and 94,110.74

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Solution

The fourth proportional to 145,188.13, 200,406.60 and 94,110.74 is: 129,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,188.13 : 200,406.60 = 94,110.74 : x
  2. Step 2: Convert to fraction form
    145,188.13/200,406.60 = 94,110.74/x
  3. Step 3: Cross multiply
    145,188.13x = 200,406.60 × 94,110.74
  4. Step 4: Simplify right side
    145,188.13x = 18,860,413,927.90
  5. Step 5: Solve for x
    x = 18,860,413,927.90/145,188.13
  6. Step 6: Final answer
    x = 129,903.28

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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.