Home / 145,252.86-200,459.70-81,594.42

Finding the Fourth Proportional to 145,252.86, 200,459.70 and 81,594.42

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Solution

The fourth proportional to 145,252.86, 200,459.70 and 81,594.42 is: 112,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,252.86 : 200,459.70 = 81,594.42 : x
  2. Step 2: Convert to fraction form
    145,252.86/200,459.70 = 81,594.42/x
  3. Step 3: Cross multiply
    145,252.86x = 200,459.70 × 81,594.42
  4. Step 4: Simplify right side
    145,252.86x = 16,356,392,954.87
  5. Step 5: Solve for x
    x = 16,356,392,954.87/145,252.86
  6. Step 6: Final answer
    x = 112,606.34

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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.