Home / 140,098.64-193,335.84-76,436.40

Finding the Fourth Proportional to 140,098.64, 193,335.84 and 76,436.40

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Solution

The fourth proportional to 140,098.64, 193,335.84 and 76,436.40 is: 105,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,098.64 : 193,335.84 = 76,436.40 : x
  2. Step 2: Convert to fraction form
    140,098.64/193,335.84 = 76,436.40/x
  3. Step 3: Cross multiply
    140,098.64x = 193,335.84 × 76,436.40
  4. Step 4: Simplify right side
    140,098.64x = 14,777,895,600.58
  5. Step 5: Solve for x
    x = 14,777,895,600.58/140,098.64
  6. Step 6: Final answer
    x = 105,482.08

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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.