Home / 313,463.48-470,207.10-103,118.36

Finding the Fourth Proportional to 313,463.48, 470,207.10 and 103,118.36

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Solution

The fourth proportional to 313,463.48, 470,207.10 and 103,118.36 is: 154,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,463.48 : 470,207.10 = 103,118.36 : x
  2. Step 2: Convert to fraction form
    313,463.48/470,207.10 = 103,118.36/x
  3. Step 3: Cross multiply
    313,463.48x = 470,207.10 × 103,118.36
  4. Step 4: Simplify right side
    313,463.48x = 48,486,985,012.36
  5. Step 5: Solve for x
    x = 48,486,985,012.36/313,463.48
  6. Step 6: Final answer
    x = 154,681.45

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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.