Home / 130,501.08-195,703.68-45,090.24

Finding the Fourth Proportional to 130,501.08, 195,703.68 and 45,090.24

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Solution

The fourth proportional to 130,501.08, 195,703.68 and 45,090.24 is: 67,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.08 : 195,703.68 = 45,090.24 : x
  2. Step 2: Convert to fraction form
    130,501.08/195,703.68 = 45,090.24/x
  3. Step 3: Cross multiply
    130,501.08x = 195,703.68 × 45,090.24
  4. Step 4: Simplify right side
    130,501.08x = 8,824,325,900.08
  5. Step 5: Solve for x
    x = 8,824,325,900.08/130,501.08
  6. Step 6: Final answer
    x = 67,618.80

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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.