Home / 127,601.12-176,069.68-71,012.32

Finding the Fourth Proportional to 127,601.12, 176,069.68 and 71,012.32

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Solution

The fourth proportional to 127,601.12, 176,069.68 and 71,012.32 is: 97,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.12 : 176,069.68 = 71,012.32 : x
  2. Step 2: Convert to fraction form
    127,601.12/176,069.68 = 71,012.32/x
  3. Step 3: Cross multiply
    127,601.12x = 176,069.68 × 71,012.32
  4. Step 4: Simplify right side
    127,601.12x = 12,503,116,458.46
  5. Step 5: Solve for x
    x = 12,503,116,458.46/127,601.12
  6. Step 6: Final answer
    x = 97,985.95

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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.