Home / 127,426.05-175,832.64-70,055.91

Finding the Fourth Proportional to 127,426.05, 175,832.64 and 70,055.91

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Solution

The fourth proportional to 127,426.05, 175,832.64 and 70,055.91 is: 96,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,426.05 : 175,832.64 = 70,055.91 : x
  2. Step 2: Convert to fraction form
    127,426.05/175,832.64 = 70,055.91/x
  3. Step 3: Cross multiply
    127,426.05x = 175,832.64 × 70,055.91
  4. Step 4: Simplify right side
    127,426.05x = 12,318,115,602.90
  5. Step 5: Solve for x
    x = 12,318,115,602.90/127,426.05
  6. Step 6: Final answer
    x = 96,668.74

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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.