Home / 423,829.58-635,749.29-124,316.10

Finding the Fourth Proportional to 423,829.58, 635,749.29 and 124,316.10

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Solution

The fourth proportional to 423,829.58, 635,749.29 and 124,316.10 is: 186,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,829.58 : 635,749.29 = 124,316.10 : x
  2. Step 2: Convert to fraction form
    423,829.58/635,749.29 = 124,316.10/x
  3. Step 3: Cross multiply
    423,829.58x = 635,749.29 × 124,316.10
  4. Step 4: Simplify right side
    423,829.58x = 79,033,872,310.57
  5. Step 5: Solve for x
    x = 79,033,872,310.57/423,829.58
  6. Step 6: Final answer
    x = 186,475.60

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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.