Home / 127,855.83-176,443.40-71,261.13

Finding the Fourth Proportional to 127,855.83, 176,443.40 and 71,261.13

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Solution

The fourth proportional to 127,855.83, 176,443.40 and 71,261.13 is: 98,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.83 : 176,443.40 = 71,261.13 : x
  2. Step 2: Convert to fraction form
    127,855.83/176,443.40 = 71,261.13/x
  3. Step 3: Cross multiply
    127,855.83x = 176,443.40 × 71,261.13
  4. Step 4: Simplify right side
    127,855.83x = 12,573,555,708.74
  5. Step 5: Solve for x
    x = 12,573,555,708.74/127,855.83
  6. Step 6: Final answer
    x = 98,341.67

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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.