Home / 134,483.60-201,736.44-40,990.16

Finding the Fourth Proportional to 134,483.60, 201,736.44 and 40,990.16

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Solution

The fourth proportional to 134,483.60, 201,736.44 and 40,990.16 is: 61,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,483.60 : 201,736.44 = 40,990.16 : x
  2. Step 2: Convert to fraction form
    134,483.60/201,736.44 = 40,990.16/x
  3. Step 3: Cross multiply
    134,483.60x = 201,736.44 × 40,990.16
  4. Step 4: Simplify right side
    134,483.60x = 8,269,208,953.43
  5. Step 5: Solve for x
    x = 8,269,208,953.43/134,483.60
  6. Step 6: Final answer
    x = 61,488.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.