Home / 127,613.16-176,116.32-73,899.12

Finding the Fourth Proportional to 127,613.16, 176,116.32 and 73,899.12

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Solution

The fourth proportional to 127,613.16, 176,116.32 and 73,899.12 is: 101,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.16 : 176,116.32 = 73,899.12 : x
  2. Step 2: Convert to fraction form
    127,613.16/176,116.32 = 73,899.12/x
  3. Step 3: Cross multiply
    127,613.16x = 176,116.32 × 73,899.12
  4. Step 4: Simplify right side
    127,613.16x = 13,014,841,065.64
  5. Step 5: Solve for x
    x = 13,014,841,065.64/127,613.16
  6. Step 6: Final answer
    x = 101,986.67

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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.