Home / 114,023.10-171,034.65-76,698.30

Finding the Fourth Proportional to 114,023.10, 171,034.65 and 76,698.30

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Solution

The fourth proportional to 114,023.10, 171,034.65 and 76,698.30 is: 115,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,023.10 : 171,034.65 = 76,698.30 : x
  2. Step 2: Convert to fraction form
    114,023.10/171,034.65 = 76,698.30/x
  3. Step 3: Cross multiply
    114,023.10x = 171,034.65 × 76,698.30
  4. Step 4: Simplify right side
    114,023.10x = 13,118,066,896.10
  5. Step 5: Solve for x
    x = 13,118,066,896.10/114,023.10
  6. Step 6: Final answer
    x = 115,047.45

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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.