Home / 152,778.04-210,843.55-84,795.02

Finding the Fourth Proportional to 152,778.04, 210,843.55 and 84,795.02

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Solution

The fourth proportional to 152,778.04, 210,843.55 and 84,795.02 is: 117,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,778.04 : 210,843.55 = 84,795.02 : x
  2. Step 2: Convert to fraction form
    152,778.04/210,843.55 = 84,795.02/x
  3. Step 3: Cross multiply
    152,778.04x = 210,843.55 × 84,795.02
  4. Step 4: Simplify right side
    152,778.04x = 17,878,483,039.12
  5. Step 5: Solve for x
    x = 17,878,483,039.12/152,778.04
  6. Step 6: Final answer
    x = 117,022.60

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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.