Home / 186,553.23-257,444.32-105,985.17

Finding the Fourth Proportional to 186,553.23, 257,444.32 and 105,985.17

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Solution

The fourth proportional to 186,553.23, 257,444.32 and 105,985.17 is: 146,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,553.23 : 257,444.32 = 105,985.17 : x
  2. Step 2: Convert to fraction form
    186,553.23/257,444.32 = 105,985.17/x
  3. Step 3: Cross multiply
    186,553.23x = 257,444.32 × 105,985.17
  4. Step 4: Simplify right side
    186,553.23x = 27,285,280,242.00
  5. Step 5: Solve for x
    x = 27,285,280,242.00/186,553.23
  6. Step 6: Final answer
    x = 146,260.03

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1.5x scale

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.