Home / 131,569.14-181,583.16-74,220.24

Finding the Fourth Proportional to 131,569.14, 181,583.16 and 74,220.24

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Solution

The fourth proportional to 131,569.14, 181,583.16 and 74,220.24 is: 102,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,569.14 : 181,583.16 = 74,220.24 : x
  2. Step 2: Convert to fraction form
    131,569.14/181,583.16 = 74,220.24/x
  3. Step 3: Cross multiply
    131,569.14x = 181,583.16 × 74,220.24
  4. Step 4: Simplify right side
    131,569.14x = 13,477,145,715.16
  5. Step 5: Solve for x
    x = 13,477,145,715.16/131,569.14
  6. Step 6: Final answer
    x = 102,433.94

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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.