Home / 145,525.14-200,849.20-84,262.40

Finding the Fourth Proportional to 145,525.14, 200,849.20 and 84,262.40

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Solution

The fourth proportional to 145,525.14, 200,849.20 and 84,262.40 is: 116,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,525.14 : 200,849.20 = 84,262.40 : x
  2. Step 2: Convert to fraction form
    145,525.14/200,849.20 = 84,262.40/x
  3. Step 3: Cross multiply
    145,525.14x = 200,849.20 × 84,262.40
  4. Step 4: Simplify right side
    145,525.14x = 16,924,035,630.08
  5. Step 5: Solve for x
    x = 16,924,035,630.08/145,525.14
  6. Step 6: Final answer
    x = 116,296.30

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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.