Home / 140,527.26-193,925.34-76,864.50

Finding the Fourth Proportional to 140,527.26, 193,925.34 and 76,864.50

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Solution

The fourth proportional to 140,527.26, 193,925.34 and 76,864.50 is: 106,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,527.26 : 193,925.34 = 76,864.50 : x
  2. Step 2: Convert to fraction form
    140,527.26/193,925.34 = 76,864.50/x
  3. Step 3: Cross multiply
    140,527.26x = 193,925.34 × 76,864.50
  4. Step 4: Simplify right side
    140,527.26x = 14,905,974,296.43
  5. Step 5: Solve for x
    x = 14,905,974,296.43/140,527.26
  6. Step 6: Final answer
    x = 106,071.76

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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.