Home / 186,908.72-257,925.06-106,328.70

Finding the Fourth Proportional to 186,908.72, 257,925.06 and 106,328.70

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Solution

The fourth proportional to 186,908.72, 257,925.06 and 106,328.70 is: 146,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,908.72 : 257,925.06 = 106,328.70 : x
  2. Step 2: Convert to fraction form
    186,908.72/257,925.06 = 106,328.70/x
  3. Step 3: Cross multiply
    186,908.72x = 257,925.06 × 106,328.70
  4. Step 4: Simplify right side
    186,908.72x = 27,424,836,327.22
  5. Step 5: Solve for x
    x = 27,424,836,327.22/186,908.72
  6. Step 6: Final answer
    x = 146,728.51

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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.