Home / 110,795.40-152,970.78-68,416.20

Finding the Fourth Proportional to 110,795.40, 152,970.78 and 68,416.20

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Solution

The fourth proportional to 110,795.40, 152,970.78 and 68,416.20 is: 94,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,795.40 : 152,970.78 = 68,416.20 : x
  2. Step 2: Convert to fraction form
    110,795.40/152,970.78 = 68,416.20/x
  3. Step 3: Cross multiply
    110,795.40x = 152,970.78 × 68,416.20
  4. Step 4: Simplify right side
    110,795.40x = 10,465,679,478.64
  5. Step 5: Solve for x
    x = 10,465,679,478.64/110,795.40
  6. Step 6: Final answer
    x = 94,459.51

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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.