Home / 102,022.70-153,034.05-73,810.40

Finding the Fourth Proportional to 102,022.70, 153,034.05 and 73,810.40

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Solution

The fourth proportional to 102,022.70, 153,034.05 and 73,810.40 is: 110,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,022.70 : 153,034.05 = 73,810.40 : x
  2. Step 2: Convert to fraction form
    102,022.70/153,034.05 = 73,810.40/x
  3. Step 3: Cross multiply
    102,022.70x = 153,034.05 × 73,810.40
  4. Step 4: Simplify right side
    102,022.70x = 11,295,504,444.12
  5. Step 5: Solve for x
    x = 11,295,504,444.12/102,022.70
  6. Step 6: Final answer
    x = 110,715.60

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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.