Home / 176,711.10-265,066.65-120,723.90

Finding the Fourth Proportional to 176,711.10, 265,066.65 and 120,723.90

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Solution

The fourth proportional to 176,711.10, 265,066.65 and 120,723.90 is: 181,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,711.10 : 265,066.65 = 120,723.90 : x
  2. Step 2: Convert to fraction form
    176,711.10/265,066.65 = 120,723.90/x
  3. Step 3: Cross multiply
    176,711.10x = 265,066.65 × 120,723.90
  4. Step 4: Simplify right side
    176,711.10x = 31,999,879,747.94
  5. Step 5: Solve for x
    x = 31,999,879,747.94/176,711.10
  6. Step 6: Final answer
    x = 181,085.85

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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.