Home / 186,877.40-280,316.10-68,633.60

Finding the Fourth Proportional to 186,877.40, 280,316.10 and 68,633.60

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Solution

The fourth proportional to 186,877.40, 280,316.10 and 68,633.60 is: 102,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,877.40 : 280,316.10 = 68,633.60 : x
  2. Step 2: Convert to fraction form
    186,877.40/280,316.10 = 68,633.60/x
  3. Step 3: Cross multiply
    186,877.40x = 280,316.10 × 68,633.60
  4. Step 4: Simplify right side
    186,877.40x = 19,239,103,080.96
  5. Step 5: Solve for x
    x = 19,239,103,080.96/186,877.40
  6. Step 6: Final answer
    x = 102,950.40

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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.