Home / 118,023.35-177,189.34-70,079.45

Finding the Fourth Proportional to 118,023.35, 177,189.34 and 70,079.45

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Solution

The fourth proportional to 118,023.35, 177,189.34 and 70,079.45 is: 105,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.35 : 177,189.34 = 70,079.45 : x
  2. Step 2: Convert to fraction form
    118,023.35/177,189.34 = 70,079.45/x
  3. Step 3: Cross multiply
    118,023.35x = 177,189.34 × 70,079.45
  4. Step 4: Simplify right side
    118,023.35x = 12,417,330,431.92
  5. Step 5: Solve for x
    x = 12,417,330,431.92/118,023.35
  6. Step 6: Final answer
    x = 105,210.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.