Home / 135,529.16-203,425.10-65,457.80

Finding the Fourth Proportional to 135,529.16, 203,425.10 and 65,457.80

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Solution

The fourth proportional to 135,529.16, 203,425.10 and 65,457.80 is: 98,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,529.16 : 203,425.10 = 65,457.80 : x
  2. Step 2: Convert to fraction form
    135,529.16/203,425.10 = 65,457.80/x
  3. Step 3: Cross multiply
    135,529.16x = 203,425.10 × 65,457.80
  4. Step 4: Simplify right side
    135,529.16x = 13,315,759,510.78
  5. Step 5: Solve for x
    x = 13,315,759,510.78/135,529.16
  6. Step 6: Final answer
    x = 98,250.14

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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.