Home / 124,400.24-171,566.69-105,113.64

Finding the Fourth Proportional to 124,400.24, 171,566.69 and 105,113.64

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Solution

The fourth proportional to 124,400.24, 171,566.69 and 105,113.64 is: 144,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400.24 : 171,566.69 = 105,113.64 : x
  2. Step 2: Convert to fraction form
    124,400.24/171,566.69 = 105,113.64/x
  3. Step 3: Cross multiply
    124,400.24x = 171,566.69 × 105,113.64
  4. Step 4: Simplify right side
    124,400.24x = 18,033,998,763.08
  5. Step 5: Solve for x
    x = 18,033,998,763.08/124,400.24
  6. Step 6: Final answer
    x = 144,967.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.