Home / 220,085.71-303,725.50-124,590.35

Finding the Fourth Proportional to 220,085.71, 303,725.50 and 124,590.35

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Solution

The fourth proportional to 220,085.71, 303,725.50 and 124,590.35 is: 171,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,085.71 : 303,725.50 = 124,590.35 : x
  2. Step 2: Convert to fraction form
    220,085.71/303,725.50 = 124,590.35/x
  3. Step 3: Cross multiply
    220,085.71x = 303,725.50 × 124,590.35
  4. Step 4: Simplify right side
    220,085.71x = 37,841,266,796.76
  5. Step 5: Solve for x
    x = 37,841,266,796.76/220,085.71
  6. Step 6: Final answer
    x = 171,938.77

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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.