Home / 189,459.92-261,475.08-141,631.04

Finding the Fourth Proportional to 189,459.92, 261,475.08 and 141,631.04

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Solution

The fourth proportional to 189,459.92, 261,475.08 and 141,631.04 is: 195,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,459.92 : 261,475.08 = 141,631.04 : x
  2. Step 2: Convert to fraction form
    189,459.92/261,475.08 = 141,631.04/x
  3. Step 3: Cross multiply
    189,459.92x = 261,475.08 × 141,631.04
  4. Step 4: Simplify right side
    189,459.92x = 37,032,987,514.48
  5. Step 5: Solve for x
    x = 37,032,987,514.48/189,459.92
  6. Step 6: Final answer
    x = 195,466.08

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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.