Home / 229,355.12-316,577.40-152,985.44

Finding the Fourth Proportional to 229,355.12, 316,577.40 and 152,985.44

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Solution

The fourth proportional to 229,355.12, 316,577.40 and 152,985.44 is: 211,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,355.12 : 316,577.40 = 152,985.44 : x
  2. Step 2: Convert to fraction form
    229,355.12/316,577.40 = 152,985.44/x
  3. Step 3: Cross multiply
    229,355.12x = 316,577.40 × 152,985.44
  4. Step 4: Simplify right side
    229,355.12x = 48,431,732,833.06
  5. Step 5: Solve for x
    x = 48,431,732,833.06/229,355.12
  6. Step 6: Final answer
    x = 211,164.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.