Home / 140,273.28-193,569.84-76,598.64

Finding the Fourth Proportional to 140,273.28, 193,569.84 and 76,598.64

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Solution

The fourth proportional to 140,273.28, 193,569.84 and 76,598.64 is: 105,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273.28 : 193,569.84 = 76,598.64 : x
  2. Step 2: Convert to fraction form
    140,273.28/193,569.84 = 76,598.64/x
  3. Step 3: Cross multiply
    140,273.28x = 193,569.84 × 76,598.64
  4. Step 4: Simplify right side
    140,273.28x = 14,827,186,489.02
  5. Step 5: Solve for x
    x = 14,827,186,489.02/140,273.28
  6. Step 6: Final answer
    x = 105,702.14

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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.