Home / 177,778.35-245,329.40-105,184.98

Finding the Fourth Proportional to 177,778.35, 245,329.40 and 105,184.98

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Solution

The fourth proportional to 177,778.35, 245,329.40 and 105,184.98 is: 145,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,778.35 : 245,329.40 = 105,184.98 : x
  2. Step 2: Convert to fraction form
    177,778.35/245,329.40 = 105,184.98/x
  3. Step 3: Cross multiply
    177,778.35x = 245,329.40 × 105,184.98
  4. Step 4: Simplify right side
    177,778.35x = 25,804,967,506.49
  5. Step 5: Solve for x
    x = 25,804,967,506.49/177,778.35
  6. Step 6: Final answer
    x = 145,152.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.