Home / 154,810.32-213,703.56-104,577.36

Finding the Fourth Proportional to 154,810.32, 213,703.56 and 104,577.36

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Solution

The fourth proportional to 154,810.32, 213,703.56 and 104,577.36 is: 144,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,810.32 : 213,703.56 = 104,577.36 : x
  2. Step 2: Convert to fraction form
    154,810.32/213,703.56 = 104,577.36/x
  3. Step 3: Cross multiply
    154,810.32x = 213,703.56 × 104,577.36
  4. Step 4: Simplify right side
    154,810.32x = 22,348,554,127.40
  5. Step 5: Solve for x
    x = 22,348,554,127.40/154,810.32
  6. Step 6: Final answer
    x = 144,360.88

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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.