Home / 133,340.04-184,030.02-76,739.40

Finding the Fourth Proportional to 133,340.04, 184,030.02 and 76,739.40

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Solution

The fourth proportional to 133,340.04, 184,030.02 and 76,739.40 is: 105,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,340.04 : 184,030.02 = 76,739.40 : x
  2. Step 2: Convert to fraction form
    133,340.04/184,030.02 = 76,739.40/x
  3. Step 3: Cross multiply
    133,340.04x = 184,030.02 × 76,739.40
  4. Step 4: Simplify right side
    133,340.04x = 14,122,353,316.79
  5. Step 5: Solve for x
    x = 14,122,353,316.79/133,340.04
  6. Step 6: Final answer
    x = 105,912.32

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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.