Home / 152,620.00-210,616.20-84,643.28

Finding the Fourth Proportional to 152,620.00, 210,616.20 and 84,643.28

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Solution

The fourth proportional to 152,620.00, 210,616.20 and 84,643.28 is: 116,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,620.00 : 210,616.20 = 84,643.28 : x
  2. Step 2: Convert to fraction form
    152,620.00/210,616.20 = 84,643.28/x
  3. Step 3: Cross multiply
    152,620.00x = 210,616.20 × 84,643.28
  4. Step 4: Simplify right side
    152,620.00x = 17,827,245,725.87
  5. Step 5: Solve for x
    x = 17,827,245,725.87/152,620.00
  6. Step 6: Final answer
    x = 116,808.06

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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.