Home / 140,280.34-193,587.90-76,618.14

Finding the Fourth Proportional to 140,280.34, 193,587.90 and 76,618.14

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Solution

The fourth proportional to 140,280.34, 193,587.90 and 76,618.14 is: 105,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280.34 : 193,587.90 = 76,618.14 : x
  2. Step 2: Convert to fraction form
    140,280.34/193,587.90 = 76,618.14/x
  3. Step 3: Cross multiply
    140,280.34x = 193,587.90 × 76,618.14
  4. Step 4: Simplify right side
    140,280.34x = 14,832,344,824.51
  5. Step 5: Solve for x
    x = 14,832,344,824.51/140,280.34
  6. Step 6: Final answer
    x = 105,733.60

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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.