Home / 207,401.02-310,848.80-107,506.16

Finding the Fourth Proportional to 207,401.02, 310,848.80 and 107,506.16

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Solution

The fourth proportional to 207,401.02, 310,848.80 and 107,506.16 is: 161,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,401.02 : 310,848.80 = 107,506.16 : x
  2. Step 2: Convert to fraction form
    207,401.02/310,848.80 = 107,506.16/x
  3. Step 3: Cross multiply
    207,401.02x = 310,848.80 × 107,506.16
  4. Step 4: Simplify right side
    207,401.02x = 33,418,160,828.61
  5. Step 5: Solve for x
    x = 33,418,160,828.61/207,401.02
  6. Step 6: Final answer
    x = 161,128.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.