Home / 358,126.80-537,190.20-108,776.40

Finding the Fourth Proportional to 358,126.80, 537,190.20 and 108,776.40

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Solution

The fourth proportional to 358,126.80, 537,190.20 and 108,776.40 is: 163,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,126.80 : 537,190.20 = 108,776.40 : x
  2. Step 2: Convert to fraction form
    358,126.80/537,190.20 = 108,776.40/x
  3. Step 3: Cross multiply
    358,126.80x = 537,190.20 × 108,776.40
  4. Step 4: Simplify right side
    358,126.80x = 58,433,616,071.28
  5. Step 5: Solve for x
    x = 58,433,616,071.28/358,126.80
  6. Step 6: Final answer
    x = 163,164.60

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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.