Home / 229,763.13-317,048.82-127,772.19

Finding the Fourth Proportional to 229,763.13, 317,048.82 and 127,772.19

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Solution

The fourth proportional to 229,763.13, 317,048.82 and 127,772.19 is: 176,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,763.13 : 317,048.82 = 127,772.19 : x
  2. Step 2: Convert to fraction form
    229,763.13/317,048.82 = 127,772.19/x
  3. Step 3: Cross multiply
    229,763.13x = 317,048.82 × 127,772.19
  4. Step 4: Simplify right side
    229,763.13x = 40,510,022,068.32
  5. Step 5: Solve for x
    x = 40,510,022,068.32/229,763.13
  6. Step 6: Final answer
    x = 176,312.11

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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.