Home / 102,332.12-153,514.57-43,176.50

Finding the Fourth Proportional to 102,332.12, 153,514.57 and 43,176.50

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Solution

The fourth proportional to 102,332.12, 153,514.57 and 43,176.50 is: 64,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,332.12 : 153,514.57 = 43,176.50 : x
  2. Step 2: Convert to fraction form
    102,332.12/153,514.57 = 43,176.50/x
  3. Step 3: Cross multiply
    102,332.12x = 153,514.57 × 43,176.50
  4. Step 4: Simplify right side
    102,332.12x = 6,628,221,693.68
  5. Step 5: Solve for x
    x = 6,628,221,693.68/102,332.12
  6. Step 6: Final answer
    x = 64,771.67

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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.