Home / 174,020.40-261,030.60-120,876.30

Finding the Fourth Proportional to 174,020.40, 261,030.60 and 120,876.30

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Solution

The fourth proportional to 174,020.40, 261,030.60 and 120,876.30 is: 181,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,020.40 : 261,030.60 = 120,876.30 : x
  2. Step 2: Convert to fraction form
    174,020.40/261,030.60 = 120,876.30/x
  3. Step 3: Cross multiply
    174,020.40x = 261,030.60 × 120,876.30
  4. Step 4: Simplify right side
    174,020.40x = 31,552,413,114.78
  5. Step 5: Solve for x
    x = 31,552,413,114.78/174,020.40
  6. Step 6: Final answer
    x = 181,314.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.