Home / 230,905.52-318,655.02-128,927.53

Finding the Fourth Proportional to 230,905.52, 318,655.02 and 128,927.53

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Solution

The fourth proportional to 230,905.52, 318,655.02 and 128,927.53 is: 177,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905.52 : 318,655.02 = 128,927.53 : x
  2. Step 2: Convert to fraction form
    230,905.52/318,655.02 = 128,927.53/x
  3. Step 3: Cross multiply
    230,905.52x = 318,655.02 × 128,927.53
  4. Step 4: Simplify right side
    230,905.52x = 41,083,405,532.50
  5. Step 5: Solve for x
    x = 41,083,405,532.50/230,905.52
  6. Step 6: Final answer
    x = 177,923.01

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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.