Home / 370,458.15-555,769.23-117,815.91

Finding the Fourth Proportional to 370,458.15, 555,769.23 and 117,815.91

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Solution

The fourth proportional to 370,458.15, 555,769.23 and 117,815.91 is: 176,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,458.15 : 555,769.23 = 117,815.91 : x
  2. Step 2: Convert to fraction form
    370,458.15/555,769.23 = 117,815.91/x
  3. Step 3: Cross multiply
    370,458.15x = 555,769.23 × 117,815.91
  4. Step 4: Simplify right side
    370,458.15x = 65,478,457,582.45
  5. Step 5: Solve for x
    x = 65,478,457,582.45/370,458.15
  6. Step 6: Final answer
    x = 176,749.94

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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.