Home / 145,539.44-200,814.08-85,098.32

Finding the Fourth Proportional to 145,539.44, 200,814.08 and 85,098.32

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Solution

The fourth proportional to 145,539.44, 200,814.08 and 85,098.32 is: 117,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,539.44 : 200,814.08 = 85,098.32 : x
  2. Step 2: Convert to fraction form
    145,539.44/200,814.08 = 85,098.32/x
  3. Step 3: Cross multiply
    145,539.44x = 200,814.08 × 85,098.32
  4. Step 4: Simplify right side
    145,539.44x = 17,088,940,840.35
  5. Step 5: Solve for x
    x = 17,088,940,840.35/145,539.44
  6. Step 6: Final answer
    x = 117,417.94

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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.