Home / 151,925.34-209,653.47-83,938.80

Finding the Fourth Proportional to 151,925.34, 209,653.47 and 83,938.80

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Solution

The fourth proportional to 151,925.34, 209,653.47 and 83,938.80 is: 115,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,925.34 : 209,653.47 = 83,938.80 : x
  2. Step 2: Convert to fraction form
    151,925.34/209,653.47 = 83,938.80/x
  3. Step 3: Cross multiply
    151,925.34x = 209,653.47 × 83,938.80
  4. Step 4: Simplify right side
    151,925.34x = 17,598,060,687.64
  5. Step 5: Solve for x
    x = 17,598,060,687.64/151,925.34
  6. Step 6: Final answer
    x = 115,833.61

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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.