Home / 127,054.72-175,336.68-70,464.88

Finding the Fourth Proportional to 127,054.72, 175,336.68 and 70,464.88

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Solution

The fourth proportional to 127,054.72, 175,336.68 and 70,464.88 is: 97,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.72 : 175,336.68 = 70,464.88 : x
  2. Step 2: Convert to fraction form
    127,054.72/175,336.68 = 70,464.88/x
  3. Step 3: Cross multiply
    127,054.72x = 175,336.68 × 70,464.88
  4. Step 4: Simplify right side
    127,054.72x = 12,355,078,115.80
  5. Step 5: Solve for x
    x = 12,355,078,115.80/127,054.72
  6. Step 6: Final answer
    x = 97,242.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.