Home / 456,827.60-685,338.60-141,316.40

Finding the Fourth Proportional to 456,827.60, 685,338.60 and 141,316.40

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Solution

The fourth proportional to 456,827.60, 685,338.60 and 141,316.40 is: 212,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,827.60 : 685,338.60 = 141,316.40 : x
  2. Step 2: Convert to fraction form
    456,827.60/685,338.60 = 141,316.40/x
  3. Step 3: Cross multiply
    456,827.60x = 685,338.60 × 141,316.40
  4. Step 4: Simplify right side
    456,827.60x = 96,849,583,733.04
  5. Step 5: Solve for x
    x = 96,849,583,733.04/456,827.60
  6. Step 6: Final answer
    x = 212,004.67

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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.