Home / 186,423.12-257,273.01-105,849.18

Finding the Fourth Proportional to 186,423.12, 257,273.01 and 105,849.18

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Solution

The fourth proportional to 186,423.12, 257,273.01 and 105,849.18 is: 146,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.12 : 257,273.01 = 105,849.18 : x
  2. Step 2: Convert to fraction form
    186,423.12/257,273.01 = 105,849.18/x
  3. Step 3: Cross multiply
    186,423.12x = 257,273.01 × 105,849.18
  4. Step 4: Simplify right side
    186,423.12x = 27,232,137,144.63
  5. Step 5: Solve for x
    x = 27,232,137,144.63/186,423.12
  6. Step 6: Final answer
    x = 146,077.04

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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.