Home / 186,228.84-257,001.63-105,659.76

Finding the Fourth Proportional to 186,228.84, 257,001.63 and 105,659.76

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Solution

The fourth proportional to 186,228.84, 257,001.63 and 105,659.76 is: 145,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.84 : 257,001.63 = 105,659.76 : x
  2. Step 2: Convert to fraction form
    186,228.84/257,001.63 = 105,659.76/x
  3. Step 3: Cross multiply
    186,228.84x = 257,001.63 × 105,659.76
  4. Step 4: Simplify right side
    186,228.84x = 27,154,728,732.10
  5. Step 5: Solve for x
    x = 27,154,728,732.10/186,228.84
  6. Step 6: Final answer
    x = 145,813.77

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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.