Home / 115,720.67-173,581.43-40,800.13

Finding the Fourth Proportional to 115,720.67, 173,581.43 and 40,800.13

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Solution

The fourth proportional to 115,720.67, 173,581.43 and 40,800.13 is: 61,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,720.67 : 173,581.43 = 40,800.13 : x
  2. Step 2: Convert to fraction form
    115,720.67/173,581.43 = 40,800.13/x
  3. Step 3: Cross multiply
    115,720.67x = 173,581.43 × 40,800.13
  4. Step 4: Simplify right side
    115,720.67x = 7,082,144,271.63
  5. Step 5: Solve for x
    x = 7,082,144,271.63/115,720.67
  6. Step 6: Final answer
    x = 61,200.34

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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.