Home / 127,688.73-176,208.79-70,326.96

Finding the Fourth Proportional to 127,688.73, 176,208.79 and 70,326.96

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Solution

The fourth proportional to 127,688.73, 176,208.79 and 70,326.96 is: 97,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,688.73 : 176,208.79 = 70,326.96 : x
  2. Step 2: Convert to fraction form
    127,688.73/176,208.79 = 70,326.96/x
  3. Step 3: Cross multiply
    127,688.73x = 176,208.79 × 70,326.96
  4. Step 4: Simplify right side
    127,688.73x = 12,392,228,525.98
  5. Step 5: Solve for x
    x = 12,392,228,525.98/127,688.73
  6. Step 6: Final answer
    x = 97,050.29

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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.