Home / 186,554.02-257,445.42-105,985.97

Finding the Fourth Proportional to 186,554.02, 257,445.42 and 105,985.97

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Solution

The fourth proportional to 186,554.02, 257,445.42 and 105,985.97 is: 146,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.02 : 257,445.42 = 105,985.97 : x
  2. Step 2: Convert to fraction form
    186,554.02/257,445.42 = 105,985.97/x
  3. Step 3: Cross multiply
    186,554.02x = 257,445.42 × 105,985.97
  4. Step 4: Simplify right side
    186,554.02x = 27,285,602,560.76
  5. Step 5: Solve for x
    x = 27,285,602,560.76/186,554.02
  6. Step 6: Final answer
    x = 146,261.13

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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.