Home / 124,267.36-171,519.86-76,561.60

Finding the Fourth Proportional to 124,267.36, 171,519.86 and 76,561.60

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Solution

The fourth proportional to 124,267.36, 171,519.86 and 76,561.60 is: 105,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.36 : 171,519.86 = 76,561.60 : x
  2. Step 2: Convert to fraction form
    124,267.36/171,519.86 = 76,561.60/x
  3. Step 3: Cross multiply
    124,267.36x = 171,519.86 × 76,561.60
  4. Step 4: Simplify right side
    124,267.36x = 13,131,834,913.38
  5. Step 5: Solve for x
    x = 13,131,834,913.38/124,267.36
  6. Step 6: Final answer
    x = 105,674.05

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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.