Home / 185,527.04-256,027.80-100,644.10

Finding the Fourth Proportional to 185,527.04, 256,027.80 and 100,644.10

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Solution

The fourth proportional to 185,527.04, 256,027.80 and 100,644.10 is: 138,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,527.04 : 256,027.80 = 100,644.10 : x
  2. Step 2: Convert to fraction form
    185,527.04/256,027.80 = 100,644.10/x
  3. Step 3: Cross multiply
    185,527.04x = 256,027.80 × 100,644.10
  4. Step 4: Simplify right side
    185,527.04x = 25,767,686,865.91
  5. Step 5: Solve for x
    x = 25,767,686,865.91/185,527.04
  6. Step 6: Final answer
    x = 138,889.12

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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.