Home / 115,143.46-172,715.19-44,973.56

Finding the Fourth Proportional to 115,143.46, 172,715.19 and 44,973.56

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Solution

The fourth proportional to 115,143.46, 172,715.19 and 44,973.56 is: 67,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143.46 : 172,715.19 = 44,973.56 : x
  2. Step 2: Convert to fraction form
    115,143.46/172,715.19 = 44,973.56/x
  3. Step 3: Cross multiply
    115,143.46x = 172,715.19 × 44,973.56
  4. Step 4: Simplify right side
    115,143.46x = 7,767,617,223.51
  5. Step 5: Solve for x
    x = 7,767,617,223.51/115,143.46
  6. Step 6: Final answer
    x = 67,460.34

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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.