Home / 177,048.40-265,614.04-70,438.39

Finding the Fourth Proportional to 177,048.40, 265,614.04 and 70,438.39

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Solution

The fourth proportional to 177,048.40, 265,614.04 and 70,438.39 is: 105,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,048.40 : 265,614.04 = 70,438.39 : x
  2. Step 2: Convert to fraction form
    177,048.40/265,614.04 = 70,438.39/x
  3. Step 3: Cross multiply
    177,048.40x = 265,614.04 × 70,438.39
  4. Step 4: Simplify right side
    177,048.40x = 18,709,424,986.80
  5. Step 5: Solve for x
    x = 18,709,424,986.80/177,048.40
  6. Step 6: Final answer
    x = 105,674.07

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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.