Home / 134,142.65-201,088.88-45,334.05

Finding the Fourth Proportional to 134,142.65, 201,088.88 and 45,334.05

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Solution

The fourth proportional to 134,142.65, 201,088.88 and 45,334.05 is: 67,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,142.65 : 201,088.88 = 45,334.05 : x
  2. Step 2: Convert to fraction form
    134,142.65/201,088.88 = 45,334.05/x
  3. Step 3: Cross multiply
    134,142.65x = 201,088.88 × 45,334.05
  4. Step 4: Simplify right side
    134,142.65x = 9,116,173,340.36
  5. Step 5: Solve for x
    x = 9,116,173,340.36/134,142.65
  6. Step 6: Final answer
    x = 67,958.80

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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.