Home / 140,258.69-193,557.70-76,596.49

Finding the Fourth Proportional to 140,258.69, 193,557.70 and 76,596.49

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Solution

The fourth proportional to 140,258.69, 193,557.70 and 76,596.49 is: 105,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.69 : 193,557.70 = 76,596.49 : x
  2. Step 2: Convert to fraction form
    140,258.69/193,557.70 = 76,596.49/x
  3. Step 3: Cross multiply
    140,258.69x = 193,557.70 × 76,596.49
  4. Step 4: Simplify right side
    140,258.69x = 14,825,839,681.40
  5. Step 5: Solve for x
    x = 14,825,839,681.40/140,258.69
  6. Step 6: Final answer
    x = 105,703.54

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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.