Home / 148,543.96-204,987.04-84,877.64

Finding the Fourth Proportional to 148,543.96, 204,987.04 and 84,877.64

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Solution

The fourth proportional to 148,543.96, 204,987.04 and 84,877.64 is: 117,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,543.96 : 204,987.04 = 84,877.64 : x
  2. Step 2: Convert to fraction form
    148,543.96/204,987.04 = 84,877.64/x
  3. Step 3: Cross multiply
    148,543.96x = 204,987.04 × 84,877.64
  4. Step 4: Simplify right side
    148,543.96x = 17,398,816,185.79
  5. Step 5: Solve for x
    x = 17,398,816,185.79/148,543.96
  6. Step 6: Final answer
    x = 117,129.07

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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.