Home / 154,935.20-232,402.80-144,437.60

Finding the Fourth Proportional to 154,935.20, 232,402.80 and 144,437.60

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Solution

The fourth proportional to 154,935.20, 232,402.80 and 144,437.60 is: 216,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,935.20 : 232,402.80 = 144,437.60 : x
  2. Step 2: Convert to fraction form
    154,935.20/232,402.80 = 144,437.60/x
  3. Step 3: Cross multiply
    154,935.20x = 232,402.80 × 144,437.60
  4. Step 4: Simplify right side
    154,935.20x = 33,567,702,665.28
  5. Step 5: Solve for x
    x = 33,567,702,665.28/154,935.20
  6. Step 6: Final answer
    x = 216,656.40

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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.