Home / 186,616.02-257,456.98-114,871.48

Finding the Fourth Proportional to 186,616.02, 257,456.98 and 114,871.48

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Solution

The fourth proportional to 186,616.02, 257,456.98 and 114,871.48 is: 158,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,616.02 : 257,456.98 = 114,871.48 : x
  2. Step 2: Convert to fraction form
    186,616.02/257,456.98 = 114,871.48/x
  3. Step 3: Cross multiply
    186,616.02x = 257,456.98 × 114,871.48
  4. Step 4: Simplify right side
    186,616.02x = 29,574,464,328.93
  5. Step 5: Solve for x
    x = 29,574,464,328.93/186,616.02
  6. Step 6: Final answer
    x = 158,477.63

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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.