Home / 127,835.44-176,414.14-70,477.05

Finding the Fourth Proportional to 127,835.44, 176,414.14 and 70,477.05

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Solution

The fourth proportional to 127,835.44, 176,414.14 and 70,477.05 is: 97,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.44 : 176,414.14 = 70,477.05 : x
  2. Step 2: Convert to fraction form
    127,835.44/176,414.14 = 70,477.05/x
  3. Step 3: Cross multiply
    127,835.44x = 176,414.14 × 70,477.05
  4. Step 4: Simplify right side
    127,835.44x = 12,433,147,459.61
  5. Step 5: Solve for x
    x = 12,433,147,459.61/127,835.44
  6. Step 6: Final answer
    x = 97,259.01

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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.