Home / 118,332.81-177,433.61-39,403.98

Finding the Fourth Proportional to 118,332.81, 177,433.61 and 39,403.98

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Solution

The fourth proportional to 118,332.81, 177,433.61 and 39,403.98 is: 59,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.81 : 177,433.61 = 39,403.98 : x
  2. Step 2: Convert to fraction form
    118,332.81/177,433.61 = 39,403.98/x
  3. Step 3: Cross multiply
    118,332.81x = 177,433.61 × 39,403.98
  4. Step 4: Simplify right side
    118,332.81x = 6,991,590,222.75
  5. Step 5: Solve for x
    x = 6,991,590,222.75/118,332.81
  6. Step 6: Final answer
    x = 59,084.12

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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.