Home / 127,400.05-175,814.03-70,041.86

Finding the Fourth Proportional to 127,400.05, 175,814.03 and 70,041.86

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Solution

The fourth proportional to 127,400.05, 175,814.03 and 70,041.86 is: 96,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.05 : 175,814.03 = 70,041.86 : x
  2. Step 2: Convert to fraction form
    127,400.05/175,814.03 = 70,041.86/x
  3. Step 3: Cross multiply
    127,400.05x = 175,814.03 × 70,041.86
  4. Step 4: Simplify right side
    127,400.05x = 12,314,340,971.33
  5. Step 5: Solve for x
    x = 12,314,340,971.33/127,400.05
  6. Step 6: Final answer
    x = 96,658.84

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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.