Home / 186,170.28-256,904.12-104,490.94

Finding the Fourth Proportional to 186,170.28, 256,904.12 and 104,490.94

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Solution

The fourth proportional to 186,170.28, 256,904.12 and 104,490.94 is: 144,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,170.28 : 256,904.12 = 104,490.94 : x
  2. Step 2: Convert to fraction form
    186,170.28/256,904.12 = 104,490.94/x
  3. Step 3: Cross multiply
    186,170.28x = 256,904.12 × 104,490.94
  4. Step 4: Simplify right side
    186,170.28x = 26,844,152,988.67
  5. Step 5: Solve for x
    x = 26,844,152,988.67/186,170.28
  6. Step 6: Final answer
    x = 144,191.40

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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.