Home / 177,474.50-245,173.90-153,559.65

Finding the Fourth Proportional to 177,474.50, 245,173.90 and 153,559.65

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Solution

The fourth proportional to 177,474.50, 245,173.90 and 153,559.65 is: 212,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,474.50 : 245,173.90 = 153,559.65 : x
  2. Step 2: Convert to fraction form
    177,474.50/245,173.90 = 153,559.65/x
  3. Step 3: Cross multiply
    177,474.50x = 245,173.90 × 153,559.65
  4. Step 4: Simplify right side
    177,474.50x = 37,648,817,889.24
  5. Step 5: Solve for x
    x = 37,648,817,889.24/177,474.50
  6. Step 6: Final answer
    x = 212,136.50

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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.