Home / 186,856.10-280,242.12-53,706.68

Finding the Fourth Proportional to 186,856.10, 280,242.12 and 53,706.68

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Solution

The fourth proportional to 186,856.10, 280,242.12 and 53,706.68 is: 80,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,856.10 : 280,242.12 = 53,706.68 : x
  2. Step 2: Convert to fraction form
    186,856.10/280,242.12 = 53,706.68/x
  3. Step 3: Cross multiply
    186,856.10x = 280,242.12 × 53,706.68
  4. Step 4: Simplify right side
    186,856.10x = 15,050,873,861.36
  5. Step 5: Solve for x
    x = 15,050,873,861.36/186,856.10
  6. Step 6: Final answer
    x = 80,547.94

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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.