Home / 114,917.80-172,376.70-112,973.80

Finding the Fourth Proportional to 114,917.80, 172,376.70 and 112,973.80

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Solution

The fourth proportional to 114,917.80, 172,376.70 and 112,973.80 is: 169,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,917.80 : 172,376.70 = 112,973.80 : x
  2. Step 2: Convert to fraction form
    114,917.80/172,376.70 = 112,973.80/x
  3. Step 3: Cross multiply
    114,917.80x = 172,376.70 × 112,973.80
  4. Step 4: Simplify right side
    114,917.80x = 19,474,050,830.46
  5. Step 5: Solve for x
    x = 19,474,050,830.46/114,917.80
  6. Step 6: Final answer
    x = 169,460.70

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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.