Home / 140,007.65-193,210.19-76,345.44

Finding the Fourth Proportional to 140,007.65, 193,210.19 and 76,345.44

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Solution

The fourth proportional to 140,007.65, 193,210.19 and 76,345.44 is: 105,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.65 : 193,210.19 = 76,345.44 : x
  2. Step 2: Convert to fraction form
    140,007.65/193,210.19 = 76,345.44/x
  3. Step 3: Cross multiply
    140,007.65x = 193,210.19 × 76,345.44
  4. Step 4: Simplify right side
    140,007.65x = 14,750,716,586.31
  5. Step 5: Solve for x
    x = 14,750,716,586.31/140,007.65
  6. Step 6: Final answer
    x = 105,356.51

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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.