Home / 153,218.40-229,827.60-48,037.20

Finding the Fourth Proportional to 153,218.40, 229,827.60 and 48,037.20

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Solution

The fourth proportional to 153,218.40, 229,827.60 and 48,037.20 is: 72,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,218.40 : 229,827.60 = 48,037.20 : x
  2. Step 2: Convert to fraction form
    153,218.40/229,827.60 = 48,037.20/x
  3. Step 3: Cross multiply
    153,218.40x = 229,827.60 × 48,037.20
  4. Step 4: Simplify right side
    153,218.40x = 11,040,274,386.72
  5. Step 5: Solve for x
    x = 11,040,274,386.72/153,218.40
  6. Step 6: Final answer
    x = 72,055.80

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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.