Home / 103,678.03-155,554.53-36,220.06

Finding the Fourth Proportional to 103,678.03, 155,554.53 and 36,220.06

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Solution

The fourth proportional to 103,678.03, 155,554.53 and 36,220.06 is: 54,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.03 : 155,554.53 = 36,220.06 : x
  2. Step 2: Convert to fraction form
    103,678.03/155,554.53 = 36,220.06/x
  3. Step 3: Cross multiply
    103,678.03x = 155,554.53 × 36,220.06
  4. Step 4: Simplify right side
    103,678.03x = 5,634,194,409.87
  5. Step 5: Solve for x
    x = 5,634,194,409.87/103,678.03
  6. Step 6: Final answer
    x = 54,343.19

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1.5x scale

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.