Home / 102,331.38-153,513.48-43,175.77

Finding the Fourth Proportional to 102,331.38, 153,513.48 and 43,175.77

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Solution

The fourth proportional to 102,331.38, 153,513.48 and 43,175.77 is: 64,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,331.38 : 153,513.48 = 43,175.77 : x
  2. Step 2: Convert to fraction form
    102,331.38/153,513.48 = 43,175.77/x
  3. Step 3: Cross multiply
    102,331.38x = 153,513.48 × 43,175.77
  4. Step 4: Simplify right side
    102,331.38x = 6,628,062,482.51
  5. Step 5: Solve for x
    x = 6,628,062,482.51/102,331.38
  6. Step 6: Final answer
    x = 64,770.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.