Home / 140,187.06-193,459.14-76,521.06

Finding the Fourth Proportional to 140,187.06, 193,459.14 and 76,521.06

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Solution

The fourth proportional to 140,187.06, 193,459.14 and 76,521.06 is: 105,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187.06 : 193,459.14 = 76,521.06 : x
  2. Step 2: Convert to fraction form
    140,187.06/193,459.14 = 76,521.06/x
  3. Step 3: Cross multiply
    140,187.06x = 193,459.14 × 76,521.06
  4. Step 4: Simplify right side
    140,187.06x = 14,803,698,459.49
  5. Step 5: Solve for x
    x = 14,803,698,459.49/140,187.06
  6. Step 6: Final answer
    x = 105,599.61

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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.