Home / 525,377.81-787,923.15-188,355.85

Finding the Fourth Proportional to 525,377.81, 787,923.15 and 188,355.85

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Solution

The fourth proportional to 525,377.81, 787,923.15 and 188,355.85 is: 282,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,377.81 : 787,923.15 = 188,355.85 : x
  2. Step 2: Convert to fraction form
    525,377.81/787,923.15 = 188,355.85/x
  3. Step 3: Cross multiply
    525,377.81x = 787,923.15 × 188,355.85
  4. Step 4: Simplify right side
    525,377.81x = 148,409,931,976.79
  5. Step 5: Solve for x
    x = 148,409,931,976.79/525,377.81
  6. Step 6: Final answer
    x = 282,482.30

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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.