Home / 171,431.46-236,355.84-133,126.16

Finding the Fourth Proportional to 171,431.46, 236,355.84 and 133,126.16

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Solution

The fourth proportional to 171,431.46, 236,355.84 and 133,126.16 is: 183,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,431.46 : 236,355.84 = 133,126.16 : x
  2. Step 2: Convert to fraction form
    171,431.46/236,355.84 = 133,126.16/x
  3. Step 3: Cross multiply
    171,431.46x = 236,355.84 × 133,126.16
  4. Step 4: Simplify right side
    171,431.46x = 31,465,144,191.00
  5. Step 5: Solve for x
    x = 31,465,144,191.00/171,431.46
  6. Step 6: Final answer
    x = 183,543.58

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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.