Home / 140,122.01-193,373.04-76,463.30

Finding the Fourth Proportional to 140,122.01, 193,373.04 and 76,463.30

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Solution

The fourth proportional to 140,122.01, 193,373.04 and 76,463.30 is: 105,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,122.01 : 193,373.04 = 76,463.30 : x
  2. Step 2: Convert to fraction form
    140,122.01/193,373.04 = 76,463.30/x
  3. Step 3: Cross multiply
    140,122.01x = 193,373.04 × 76,463.30
  4. Step 4: Simplify right side
    140,122.01x = 14,785,939,420.25
  5. Step 5: Solve for x
    x = 14,785,939,420.25/140,122.01
  6. Step 6: Final answer
    x = 105,521.89

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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.