Home / 185,562.36-256,075.74-100,679.40

Finding the Fourth Proportional to 185,562.36, 256,075.74 and 100,679.40

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Solution

The fourth proportional to 185,562.36, 256,075.74 and 100,679.40 is: 138,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,562.36 : 256,075.74 = 100,679.40 : x
  2. Step 2: Convert to fraction form
    185,562.36/256,075.74 = 100,679.40/x
  3. Step 3: Cross multiply
    185,562.36x = 256,075.74 × 100,679.40
  4. Step 4: Simplify right side
    185,562.36x = 25,781,551,857.76
  5. Step 5: Solve for x
    x = 25,781,551,857.76/185,562.36
  6. Step 6: Final answer
    x = 138,937.40

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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.