Home / 186,798.90-280,198.35-172,364.70

Finding the Fourth Proportional to 186,798.90, 280,198.35 and 172,364.70

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Solution

The fourth proportional to 186,798.90, 280,198.35 and 172,364.70 is: 258,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,798.90 : 280,198.35 = 172,364.70 : x
  2. Step 2: Convert to fraction form
    186,798.90/280,198.35 = 172,364.70/x
  3. Step 3: Cross multiply
    186,798.90x = 280,198.35 × 172,364.70
  4. Step 4: Simplify right side
    186,798.90x = 48,296,304,538.25
  5. Step 5: Solve for x
    x = 48,296,304,538.25/186,798.90
  6. Step 6: Final answer
    x = 258,547.05

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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.