Home / 127,745.56-176,281.88-70,382.85

Finding the Fourth Proportional to 127,745.56, 176,281.88 and 70,382.85

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Solution

The fourth proportional to 127,745.56, 176,281.88 and 70,382.85 is: 97,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.56 : 176,281.88 = 70,382.85 : x
  2. Step 2: Convert to fraction form
    127,745.56/176,281.88 = 70,382.85/x
  3. Step 3: Cross multiply
    127,745.56x = 176,281.88 × 70,382.85
  4. Step 4: Simplify right side
    127,745.56x = 12,407,221,117.76
  5. Step 5: Solve for x
    x = 12,407,221,117.76/127,745.56
  6. Step 6: Final answer
    x = 97,124.48

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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.