Home / 127,930.98-176,544.92-70,569.01

Finding the Fourth Proportional to 127,930.98, 176,544.92 and 70,569.01

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Solution

The fourth proportional to 127,930.98, 176,544.92 and 70,569.01 is: 97,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.98 : 176,544.92 = 70,569.01 : x
  2. Step 2: Convert to fraction form
    127,930.98/176,544.92 = 70,569.01/x
  3. Step 3: Cross multiply
    127,930.98x = 176,544.92 × 70,569.01
  4. Step 4: Simplify right side
    127,930.98x = 12,458,599,959.99
  5. Step 5: Solve for x
    x = 12,458,599,959.99/127,930.98
  6. Step 6: Final answer
    x = 97,385.32

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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.