Home / 165,095.10-246,986.55-143,152.20

Finding the Fourth Proportional to 165,095.10, 246,986.55 and 143,152.20

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Solution

The fourth proportional to 165,095.10, 246,986.55 and 143,152.20 is: 214,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,095.10 : 246,986.55 = 143,152.20 : x
  2. Step 2: Convert to fraction form
    165,095.10/246,986.55 = 143,152.20/x
  3. Step 3: Cross multiply
    165,095.10x = 246,986.55 × 143,152.20
  4. Step 4: Simplify right side
    165,095.10x = 35,356,668,002.91
  5. Step 5: Solve for x
    x = 35,356,668,002.91/165,095.10
  6. Step 6: Final answer
    x = 214,159.40

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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.