Home / 316,309.54-474,159.50-116,520.72

Finding the Fourth Proportional to 316,309.54, 474,159.50 and 116,520.72

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Solution

The fourth proportional to 316,309.54, 474,159.50 and 116,520.72 is: 174,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,309.54 : 474,159.50 = 116,520.72 : x
  2. Step 2: Convert to fraction form
    316,309.54/474,159.50 = 116,520.72/x
  3. Step 3: Cross multiply
    316,309.54x = 474,159.50 × 116,520.72
  4. Step 4: Simplify right side
    316,309.54x = 55,249,406,334.84
  5. Step 5: Solve for x
    x = 55,249,406,334.84/316,309.54
  6. Step 6: Final answer
    x = 174,668.80

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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.