Home / 153,167.10-229,750.64-47,986.07

Finding the Fourth Proportional to 153,167.10, 229,750.64 and 47,986.07

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Solution

The fourth proportional to 153,167.10, 229,750.64 and 47,986.07 is: 71,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,167.10 : 229,750.64 = 47,986.07 : x
  2. Step 2: Convert to fraction form
    153,167.10/229,750.64 = 47,986.07/x
  3. Step 3: Cross multiply
    153,167.10x = 229,750.64 × 47,986.07
  4. Step 4: Simplify right side
    153,167.10x = 11,024,830,293.58
  5. Step 5: Solve for x
    x = 11,024,830,293.58/153,167.10
  6. Step 6: Final answer
    x = 71,979.10

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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.