Home / 189,358.08-261,438.72-146,259.20

Finding the Fourth Proportional to 189,358.08, 261,438.72 and 146,259.20

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Solution

The fourth proportional to 189,358.08, 261,438.72 and 146,259.20 is: 201,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,358.08 : 261,438.72 = 146,259.20 : x
  2. Step 2: Convert to fraction form
    189,358.08/261,438.72 = 146,259.20/x
  3. Step 3: Cross multiply
    189,358.08x = 261,438.72 × 146,259.20
  4. Step 4: Simplify right side
    189,358.08x = 38,237,818,036.22
  5. Step 5: Solve for x
    x = 38,237,818,036.22/189,358.08
  6. Step 6: Final answer
    x = 201,933.91

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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.