Home / 175,430.28-263,173.02-75,618.84

Finding the Fourth Proportional to 175,430.28, 263,173.02 and 75,618.84

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Solution

The fourth proportional to 175,430.28, 263,173.02 and 75,618.84 is: 113,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430.28 : 263,173.02 = 75,618.84 : x
  2. Step 2: Convert to fraction form
    175,430.28/263,173.02 = 75,618.84/x
  3. Step 3: Cross multiply
    175,430.28x = 263,173.02 × 75,618.84
  4. Step 4: Simplify right side
    175,430.28x = 19,900,838,491.70
  5. Step 5: Solve for x
    x = 19,900,838,491.70/175,430.28
  6. Step 6: Final answer
    x = 113,440.16

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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.