Home / 133,849.50-184,708.98-76,485.18

Finding the Fourth Proportional to 133,849.50, 184,708.98 and 76,485.18

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Solution

The fourth proportional to 133,849.50, 184,708.98 and 76,485.18 is: 105,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,849.50 : 184,708.98 = 76,485.18 : x
  2. Step 2: Convert to fraction form
    133,849.50/184,708.98 = 76,485.18/x
  3. Step 3: Cross multiply
    133,849.50x = 184,708.98 × 76,485.18
  4. Step 4: Simplify right side
    133,849.50x = 14,127,499,582.92
  5. Step 5: Solve for x
    x = 14,127,499,582.92/133,849.50
  6. Step 6: Final answer
    x = 105,547.65

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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.