Home / 119,868.12-166,117.32-118,176.84

Finding the Fourth Proportional to 119,868.12, 166,117.32 and 118,176.84

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Solution

The fourth proportional to 119,868.12, 166,117.32 and 118,176.84 is: 163,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.12 : 166,117.32 = 118,176.84 : x
  2. Step 2: Convert to fraction form
    119,868.12/166,117.32 = 118,176.84/x
  3. Step 3: Cross multiply
    119,868.12x = 166,117.32 × 118,176.84
  4. Step 4: Simplify right side
    119,868.12x = 19,631,219,946.87
  5. Step 5: Solve for x
    x = 19,631,219,946.87/119,868.12
  6. Step 6: Final answer
    x = 163,773.49

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.