Home / 186,228.15-257,000.68-105,659.07

Finding the Fourth Proportional to 186,228.15, 257,000.68 and 105,659.07

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Solution

The fourth proportional to 186,228.15, 257,000.68 and 105,659.07 is: 145,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.15 : 257,000.68 = 105,659.07 : x
  2. Step 2: Convert to fraction form
    186,228.15/257,000.68 = 105,659.07/x
  3. Step 3: Cross multiply
    186,228.15x = 257,000.68 × 105,659.07
  4. Step 4: Simplify right side
    186,228.15x = 27,154,452,838.17
  5. Step 5: Solve for x
    x = 27,154,452,838.17/186,228.15
  6. Step 6: Final answer
    x = 145,812.83

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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.