Home / 143,181.12-197,802.18-94,238.16

Finding the Fourth Proportional to 143,181.12, 197,802.18 and 94,238.16

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Solution

The fourth proportional to 143,181.12, 197,802.18 and 94,238.16 is: 130,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.12 : 197,802.18 = 94,238.16 : x
  2. Step 2: Convert to fraction form
    143,181.12/197,802.18 = 94,238.16/x
  3. Step 3: Cross multiply
    143,181.12x = 197,802.18 × 94,238.16
  4. Step 4: Simplify right side
    143,181.12x = 18,640,513,487.19
  5. Step 5: Solve for x
    x = 18,640,513,487.19/143,181.12
  6. Step 6: Final answer
    x = 130,188.35

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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.