Home / 120,675.43-181,036.73-36,442.45

Finding the Fourth Proportional to 120,675.43, 181,036.73 and 36,442.45

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Solution

The fourth proportional to 120,675.43, 181,036.73 and 36,442.45 is: 54,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,675.43 : 181,036.73 = 36,442.45 : x
  2. Step 2: Convert to fraction form
    120,675.43/181,036.73 = 36,442.45/x
  3. Step 3: Cross multiply
    120,675.43x = 181,036.73 × 36,442.45
  4. Step 4: Simplify right side
    120,675.43x = 6,597,421,981.19
  5. Step 5: Solve for x
    x = 6,597,421,981.19/120,675.43
  6. Step 6: Final answer
    x = 54,670.80

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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.