Home / 183,461.32-253,069.10-115,370.28

Finding the Fourth Proportional to 183,461.32, 253,069.10 and 115,370.28

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Solution

The fourth proportional to 183,461.32, 253,069.10 and 115,370.28 is: 159,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,461.32 : 253,069.10 = 115,370.28 : x
  2. Step 2: Convert to fraction form
    183,461.32/253,069.10 = 115,370.28/x
  3. Step 3: Cross multiply
    183,461.32x = 253,069.10 × 115,370.28
  4. Step 4: Simplify right side
    183,461.32x = 29,196,652,926.35
  5. Step 5: Solve for x
    x = 29,196,652,926.35/183,461.32
  6. Step 6: Final answer
    x = 159,143.37

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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.