Home / 224,743.56-310,140.18-124,139.40

Finding the Fourth Proportional to 224,743.56, 310,140.18 and 124,139.40

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Solution

The fourth proportional to 224,743.56, 310,140.18 and 124,139.40 is: 171,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,743.56 : 310,140.18 = 124,139.40 : x
  2. Step 2: Convert to fraction form
    224,743.56/310,140.18 = 124,139.40/x
  3. Step 3: Cross multiply
    224,743.56x = 310,140.18 × 124,139.40
  4. Step 4: Simplify right side
    224,743.56x = 38,500,615,861.09
  5. Step 5: Solve for x
    x = 38,500,615,861.09/224,743.56
  6. Step 6: Final answer
    x = 171,309.09

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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.