Home / 124,131.42-171,313.98-73,159.92

Finding the Fourth Proportional to 124,131.42, 171,313.98 and 73,159.92

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Solution

The fourth proportional to 124,131.42, 171,313.98 and 73,159.92 is: 100,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,131.42 : 171,313.98 = 73,159.92 : x
  2. Step 2: Convert to fraction form
    124,131.42/171,313.98 = 73,159.92/x
  3. Step 3: Cross multiply
    124,131.42x = 171,313.98 × 73,159.92
  4. Step 4: Simplify right side
    124,131.42x = 12,533,317,071.68
  5. Step 5: Solve for x
    x = 12,533,317,071.68/124,131.42
  6. Step 6: Final answer
    x = 100,968.13

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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.