Home / 145,588.08-200,911.45-81,925.93

Finding the Fourth Proportional to 145,588.08, 200,911.45 and 81,925.93

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Solution

The fourth proportional to 145,588.08, 200,911.45 and 81,925.93 is: 113,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,588.08 : 200,911.45 = 81,925.93 : x
  2. Step 2: Convert to fraction form
    145,588.08/200,911.45 = 81,925.93/x
  3. Step 3: Cross multiply
    145,588.08x = 200,911.45 × 81,925.93
  4. Step 4: Simplify right side
    145,588.08x = 16,459,857,388.90
  5. Step 5: Solve for x
    x = 16,459,857,388.90/145,588.08
  6. Step 6: Final answer
    x = 113,057.73

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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.