Home / 186,677.10-280,015.65-115,656.30

Finding the Fourth Proportional to 186,677.10, 280,015.65 and 115,656.30

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Solution

The fourth proportional to 186,677.10, 280,015.65 and 115,656.30 is: 173,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,677.10 : 280,015.65 = 115,656.30 : x
  2. Step 2: Convert to fraction form
    186,677.10/280,015.65 = 115,656.30/x
  3. Step 3: Cross multiply
    186,677.10x = 280,015.65 × 115,656.30
  4. Step 4: Simplify right side
    186,677.10x = 32,385,574,021.10
  5. Step 5: Solve for x
    x = 32,385,574,021.10/186,677.10
  6. Step 6: Final answer
    x = 173,484.45

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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.