Home / 370,618.16-555,921.76-117,913.96

Finding the Fourth Proportional to 370,618.16, 555,921.76 and 117,913.96

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Solution

The fourth proportional to 370,618.16, 555,921.76 and 117,913.96 is: 176,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,618.16 : 555,921.76 = 117,913.96 : x
  2. Step 2: Convert to fraction form
    370,618.16/555,921.76 = 117,913.96/x
  3. Step 3: Cross multiply
    370,618.16x = 555,921.76 × 117,913.96
  4. Step 4: Simplify right side
    370,618.16x = 65,550,936,171.77
  5. Step 5: Solve for x
    x = 65,550,936,171.77/370,618.16
  6. Step 6: Final answer
    x = 176,869.20

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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.