Home / 102,331.35-141,220.06-64,087.32

Finding the Fourth Proportional to 102,331.35, 141,220.06 and 64,087.32

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Solution

The fourth proportional to 102,331.35, 141,220.06 and 64,087.32 is: 88,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,331.35 : 141,220.06 = 64,087.32 : x
  2. Step 2: Convert to fraction form
    102,331.35/141,220.06 = 64,087.32/x
  3. Step 3: Cross multiply
    102,331.35x = 141,220.06 × 64,087.32
  4. Step 4: Simplify right side
    102,331.35x = 9,050,415,175.64
  5. Step 5: Solve for x
    x = 9,050,415,175.64/102,331.35
  6. Step 6: Final answer
    x = 88,442.25

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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.