Home / 195,087.12-292,616.16-70,428.24

Finding the Fourth Proportional to 195,087.12, 292,616.16 and 70,428.24

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Solution

The fourth proportional to 195,087.12, 292,616.16 and 70,428.24 is: 105,637.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,087.12 : 292,616.16 = 70,428.24 : x
  2. Step 2: Convert to fraction form
    195,087.12/292,616.16 = 70,428.24/x
  3. Step 3: Cross multiply
    195,087.12x = 292,616.16 × 70,428.24
  4. Step 4: Simplify right side
    195,087.12x = 20,608,441,144.36
  5. Step 5: Solve for x
    x = 20,608,441,144.36/195,087.12
  6. Step 6: Final answer
    x = 105,637.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.