Home / 135,167.04-186,417.36-101,255.28

Finding the Fourth Proportional to 135,167.04, 186,417.36 and 101,255.28

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Solution

The fourth proportional to 135,167.04, 186,417.36 and 101,255.28 is: 139,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,167.04 : 186,417.36 = 101,255.28 : x
  2. Step 2: Convert to fraction form
    135,167.04/186,417.36 = 101,255.28/x
  3. Step 3: Cross multiply
    135,167.04x = 186,417.36 × 101,255.28
  4. Step 4: Simplify right side
    135,167.04x = 18,875,741,983.66
  5. Step 5: Solve for x
    x = 18,875,741,983.66/135,167.04
  6. Step 6: Final answer
    x = 139,647.52

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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.