Home / 127,905.96-176,507.82-70,550.58

Finding the Fourth Proportional to 127,905.96, 176,507.82 and 70,550.58

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Solution

The fourth proportional to 127,905.96, 176,507.82 and 70,550.58 is: 97,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,905.96 : 176,507.82 = 70,550.58 : x
  2. Step 2: Convert to fraction form
    127,905.96/176,507.82 = 70,550.58/x
  3. Step 3: Cross multiply
    127,905.96x = 176,507.82 × 70,550.58
  4. Step 4: Simplify right side
    127,905.96x = 12,452,729,075.54
  5. Step 5: Solve for x
    x = 12,452,729,075.54/127,905.96
  6. Step 6: Final answer
    x = 97,358.47

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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.