Home / 127,123.92-190,658.88-48,210.48

Finding the Fourth Proportional to 127,123.92, 190,658.88 and 48,210.48

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Solution

The fourth proportional to 127,123.92, 190,658.88 and 48,210.48 is: 72,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,123.92 : 190,658.88 = 48,210.48 : x
  2. Step 2: Convert to fraction form
    127,123.92/190,658.88 = 48,210.48/x
  3. Step 3: Cross multiply
    127,123.92x = 190,658.88 × 48,210.48
  4. Step 4: Simplify right side
    127,123.92x = 9,191,756,121.06
  5. Step 5: Solve for x
    x = 9,191,756,121.06/127,123.92
  6. Step 6: Final answer
    x = 72,305.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.