Home / 152,725.48-210,763.62-85,656.04

Finding the Fourth Proportional to 152,725.48, 210,763.62 and 85,656.04

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Solution

The fourth proportional to 152,725.48, 210,763.62 and 85,656.04 is: 118,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,725.48 : 210,763.62 = 85,656.04 : x
  2. Step 2: Convert to fraction form
    152,725.48/210,763.62 = 85,656.04/x
  3. Step 3: Cross multiply
    152,725.48x = 210,763.62 × 85,656.04
  4. Step 4: Simplify right side
    152,725.48x = 18,053,177,065.26
  5. Step 5: Solve for x
    x = 18,053,177,065.26/152,725.48
  6. Step 6: Final answer
    x = 118,206.71

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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.