Home / 177,846.65-245,436.23-102,419.45

Finding the Fourth Proportional to 177,846.65, 245,436.23 and 102,419.45

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Solution

The fourth proportional to 177,846.65, 245,436.23 and 102,419.45 is: 141,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,846.65 : 245,436.23 = 102,419.45 : x
  2. Step 2: Convert to fraction form
    177,846.65/245,436.23 = 102,419.45/x
  3. Step 3: Cross multiply
    177,846.65x = 245,436.23 × 102,419.45
  4. Step 4: Simplify right side
    177,846.65x = 25,137,442,715.54
  5. Step 5: Solve for x
    x = 25,137,442,715.54/177,846.65
  6. Step 6: Final answer
    x = 141,343.36

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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.