Home / 229,557.40-316,788.90-127,579.62

Finding the Fourth Proportional to 229,557.40, 316,788.90 and 127,579.62

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Solution

The fourth proportional to 229,557.40, 316,788.90 and 127,579.62 is: 176,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,557.40 : 316,788.90 = 127,579.62 : x
  2. Step 2: Convert to fraction form
    229,557.40/316,788.90 = 127,579.62/x
  3. Step 3: Cross multiply
    229,557.40x = 316,788.90 × 127,579.62
  4. Step 4: Simplify right side
    229,557.40x = 40,415,807,482.22
  5. Step 5: Solve for x
    x = 40,415,807,482.22/229,557.40
  6. Step 6: Final answer
    x = 176,059.70

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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.