Home / 126,582.03-174,727.19-72,888.45

Finding the Fourth Proportional to 126,582.03, 174,727.19 and 72,888.45

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Solution

The fourth proportional to 126,582.03, 174,727.19 and 72,888.45 is: 100,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.03 : 174,727.19 = 72,888.45 : x
  2. Step 2: Convert to fraction form
    126,582.03/174,727.19 = 72,888.45/x
  3. Step 3: Cross multiply
    126,582.03x = 174,727.19 × 72,888.45
  4. Step 4: Simplify right side
    126,582.03x = 12,735,594,051.96
  5. Step 5: Solve for x
    x = 12,735,594,051.96/126,582.03
  6. Step 6: Final answer
    x = 100,611.39

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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.