Home / 180,289.72-248,851.74-126,587.80

Finding the Fourth Proportional to 180,289.72, 248,851.74 and 126,587.80

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Solution

The fourth proportional to 180,289.72, 248,851.74 and 126,587.80 is: 174,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,289.72 : 248,851.74 = 126,587.80 : x
  2. Step 2: Convert to fraction form
    180,289.72/248,851.74 = 126,587.80/x
  3. Step 3: Cross multiply
    180,289.72x = 248,851.74 × 126,587.80
  4. Step 4: Simplify right side
    180,289.72x = 31,501,594,292.77
  5. Step 5: Solve for x
    x = 31,501,594,292.77/180,289.72
  6. Step 6: Final answer
    x = 174,727.62

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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.