Home / 127,692.49-176,214.02-70,330.66

Finding the Fourth Proportional to 127,692.49, 176,214.02 and 70,330.66

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Solution

The fourth proportional to 127,692.49, 176,214.02 and 70,330.66 is: 97,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692.49 : 176,214.02 = 70,330.66 : x
  2. Step 2: Convert to fraction form
    127,692.49/176,214.02 = 70,330.66/x
  3. Step 3: Cross multiply
    127,692.49x = 176,214.02 × 70,330.66
  4. Step 4: Simplify right side
    127,692.49x = 12,393,247,976.20
  5. Step 5: Solve for x
    x = 12,393,247,976.20/127,692.49
  6. Step 6: Final answer
    x = 97,055.42

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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.