Home / 207,075.02-285,058.32-153,258.62

Finding the Fourth Proportional to 207,075.02, 285,058.32 and 153,258.62

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Solution

The fourth proportional to 207,075.02, 285,058.32 and 153,258.62 is: 210,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,075.02 : 285,058.32 = 153,258.62 : x
  2. Step 2: Convert to fraction form
    207,075.02/285,058.32 = 153,258.62/x
  3. Step 3: Cross multiply
    207,075.02x = 285,058.32 × 153,258.62
  4. Step 4: Simplify right side
    207,075.02x = 43,687,644,742.72
  5. Step 5: Solve for x
    x = 43,687,644,742.72/207,075.02
  6. Step 6: Final answer
    x = 210,974.96

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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.