Home / 140,461.96-193,836.18-76,799.08

Finding the Fourth Proportional to 140,461.96, 193,836.18 and 76,799.08

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Solution

The fourth proportional to 140,461.96, 193,836.18 and 76,799.08 is: 105,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461.96 : 193,836.18 = 76,799.08 : x
  2. Step 2: Convert to fraction form
    140,461.96/193,836.18 = 76,799.08/x
  3. Step 3: Cross multiply
    140,461.96x = 193,836.18 × 76,799.08
  4. Step 4: Simplify right side
    140,461.96x = 14,886,440,294.71
  5. Step 5: Solve for x
    x = 14,886,440,294.71/140,461.96
  6. Step 6: Final answer
    x = 105,982.01

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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.