Home / 153,152.64-229,708.80-53,291.52

Finding the Fourth Proportional to 153,152.64, 229,708.80 and 53,291.52

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Solution

The fourth proportional to 153,152.64, 229,708.80 and 53,291.52 is: 79,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,152.64 : 229,708.80 = 53,291.52 : x
  2. Step 2: Convert to fraction form
    153,152.64/229,708.80 = 53,291.52/x
  3. Step 3: Cross multiply
    153,152.64x = 229,708.80 × 53,291.52
  4. Step 4: Simplify right side
    153,152.64x = 12,241,531,109.38
  5. Step 5: Solve for x
    x = 12,241,531,109.38/153,152.64
  6. Step 6: Final answer
    x = 79,930.27

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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.