Home / 186,423.19-279,113.75-100,727.08

Finding the Fourth Proportional to 186,423.19, 279,113.75 and 100,727.08

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Solution

The fourth proportional to 186,423.19, 279,113.75 and 100,727.08 is: 150,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.19 : 279,113.75 = 100,727.08 : x
  2. Step 2: Convert to fraction form
    186,423.19/279,113.75 = 100,727.08/x
  3. Step 3: Cross multiply
    186,423.19x = 279,113.75 × 100,727.08
  4. Step 4: Simplify right side
    186,423.19x = 28,114,312,201.66
  5. Step 5: Solve for x
    x = 28,114,312,201.66/186,423.19
  6. Step 6: Final answer
    x = 150,809.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.