Home / 127,684.82-176,203.64-70,323.05

Finding the Fourth Proportional to 127,684.82, 176,203.64 and 70,323.05

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Solution

The fourth proportional to 127,684.82, 176,203.64 and 70,323.05 is: 97,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684.82 : 176,203.64 = 70,323.05 : x
  2. Step 2: Convert to fraction form
    127,684.82/176,203.64 = 70,323.05/x
  3. Step 3: Cross multiply
    127,684.82x = 176,203.64 × 70,323.05
  4. Step 4: Simplify right side
    127,684.82x = 12,391,176,153.27
  5. Step 5: Solve for x
    x = 12,391,176,153.27/127,684.82
  6. Step 6: Final answer
    x = 97,045.03

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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.