Home / 186,228.77-257,001.54-105,659.69

Finding the Fourth Proportional to 186,228.77, 257,001.54 and 105,659.69

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Solution

The fourth proportional to 186,228.77, 257,001.54 and 105,659.69 is: 145,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.77 : 257,001.54 = 105,659.69 : x
  2. Step 2: Convert to fraction form
    186,228.77/257,001.54 = 105,659.69/x
  3. Step 3: Cross multiply
    186,228.77x = 257,001.54 × 105,659.69
  4. Step 4: Simplify right side
    186,228.77x = 27,154,703,688.43
  5. Step 5: Solve for x
    x = 27,154,703,688.43/186,228.77
  6. Step 6: Final answer
    x = 145,813.69

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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.