Home / 127,774.45-176,329.90-70,415.83

Finding the Fourth Proportional to 127,774.45, 176,329.90 and 70,415.83

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Solution

The fourth proportional to 127,774.45, 176,329.90 and 70,415.83 is: 97,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,774.45 : 176,329.90 = 70,415.83 : x
  2. Step 2: Convert to fraction form
    127,774.45/176,329.90 = 70,415.83/x
  3. Step 3: Cross multiply
    127,774.45x = 176,329.90 × 70,415.83
  4. Step 4: Simplify right side
    127,774.45x = 12,416,416,262.32
  5. Step 5: Solve for x
    x = 12,416,416,262.32/127,774.45
  6. Step 6: Final answer
    x = 97,174.48

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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.