Home / 127,877.86-176,467.40-70,519.60

Finding the Fourth Proportional to 127,877.86, 176,467.40 and 70,519.60

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Solution

The fourth proportional to 127,877.86, 176,467.40 and 70,519.60 is: 97,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877.86 : 176,467.40 = 70,519.60 : x
  2. Step 2: Convert to fraction form
    127,877.86/176,467.40 = 70,519.60/x
  3. Step 3: Cross multiply
    127,877.86x = 176,467.40 × 70,519.60
  4. Step 4: Simplify right side
    127,877.86x = 12,444,409,667.27
  5. Step 5: Solve for x
    x = 12,444,409,667.27/127,877.86
  6. Step 6: Final answer
    x = 97,314.81

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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.