Home / 185,897.26-256,538.46-105,330.22

Finding the Fourth Proportional to 185,897.26, 256,538.46 and 105,330.22

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Solution

The fourth proportional to 185,897.26, 256,538.46 and 105,330.22 is: 145,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,897.26 : 256,538.46 = 105,330.22 : x
  2. Step 2: Convert to fraction form
    185,897.26/256,538.46 = 105,330.22/x
  3. Step 3: Cross multiply
    185,897.26x = 256,538.46 × 105,330.22
  4. Step 4: Simplify right side
    185,897.26x = 27,021,252,430.26
  5. Step 5: Solve for x
    x = 27,021,252,430.26/185,897.26
  6. Step 6: Final answer
    x = 145,355.84

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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.