Home / 140,212.08-193,495.96-76,550.32

Finding the Fourth Proportional to 140,212.08, 193,495.96 and 76,550.32

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Solution

The fourth proportional to 140,212.08, 193,495.96 and 76,550.32 is: 105,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,212.08 : 193,495.96 = 76,550.32 : x
  2. Step 2: Convert to fraction form
    140,212.08/193,495.96 = 76,550.32/x
  3. Step 3: Cross multiply
    140,212.08x = 193,495.96 × 76,550.32
  4. Step 4: Simplify right side
    140,212.08x = 14,812,177,656.71
  5. Step 5: Solve for x
    x = 14,812,177,656.71/140,212.08
  6. Step 6: Final answer
    x = 105,641.24

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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.