Home / 127,570.68-176,012.28-73,845.36

Finding the Fourth Proportional to 127,570.68, 176,012.28 and 73,845.36

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Solution

The fourth proportional to 127,570.68, 176,012.28 and 73,845.36 is: 101,886.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,570.68 : 176,012.28 = 73,845.36 : x
  2. Step 2: Convert to fraction form
    127,570.68/176,012.28 = 73,845.36/x
  3. Step 3: Cross multiply
    127,570.68x = 176,012.28 × 73,845.36
  4. Step 4: Simplify right side
    127,570.68x = 12,997,690,181.02
  5. Step 5: Solve for x
    x = 12,997,690,181.02/127,570.68
  6. Step 6: Final answer
    x = 101,886.19

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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.