Home / 140,460.38-193,835.34-76,798.22

Finding the Fourth Proportional to 140,460.38, 193,835.34 and 76,798.22

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Solution

The fourth proportional to 140,460.38, 193,835.34 and 76,798.22 is: 105,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,460.38 : 193,835.34 = 76,798.22 : x
  2. Step 2: Convert to fraction form
    140,460.38/193,835.34 = 76,798.22/x
  3. Step 3: Cross multiply
    140,460.38x = 193,835.34 × 76,798.22
  4. Step 4: Simplify right side
    140,460.38x = 14,886,209,085.09
  5. Step 5: Solve for x
    x = 14,886,209,085.09/140,460.38
  6. Step 6: Final answer
    x = 105,981.55

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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.