Home / 140,518.20-193,916.64-76,854.63

Finding the Fourth Proportional to 140,518.20, 193,916.64 and 76,854.63

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Solution

The fourth proportional to 140,518.20, 193,916.64 and 76,854.63 is: 106,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,518.20 : 193,916.64 = 76,854.63 : x
  2. Step 2: Convert to fraction form
    140,518.20/193,916.64 = 76,854.63/x
  3. Step 3: Cross multiply
    140,518.20x = 193,916.64 × 76,854.63
  4. Step 4: Simplify right side
    140,518.20x = 14,903,391,618.04
  5. Step 5: Solve for x
    x = 14,903,391,618.04/140,518.20
  6. Step 6: Final answer
    x = 106,060.22

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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.