Home / 152,185.04-210,021.55-84,200.92

Finding the Fourth Proportional to 152,185.04, 210,021.55 and 84,200.92

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Solution

The fourth proportional to 152,185.04, 210,021.55 and 84,200.92 is: 116,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,185.04 : 210,021.55 = 84,200.92 : x
  2. Step 2: Convert to fraction form
    152,185.04/210,021.55 = 84,200.92/x
  3. Step 3: Cross multiply
    152,185.04x = 210,021.55 × 84,200.92
  4. Step 4: Simplify right side
    152,185.04x = 17,684,007,231.08
  5. Step 5: Solve for x
    x = 17,684,007,231.08/152,185.04
  6. Step 6: Final answer
    x = 116,200.69

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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.