Home / 174,913.40-262,370.10-86,209.40

Finding the Fourth Proportional to 174,913.40, 262,370.10 and 86,209.40

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Solution

The fourth proportional to 174,913.40, 262,370.10 and 86,209.40 is: 129,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,913.40 : 262,370.10 = 86,209.40 : x
  2. Step 2: Convert to fraction form
    174,913.40/262,370.10 = 86,209.40/x
  3. Step 3: Cross multiply
    174,913.40x = 262,370.10 × 86,209.40
  4. Step 4: Simplify right side
    174,913.40x = 22,618,768,898.94
  5. Step 5: Solve for x
    x = 22,618,768,898.94/174,913.40
  6. Step 6: Final answer
    x = 129,314.10

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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.