Home / 220,331.48-330,518.70-70,534.04

Finding the Fourth Proportional to 220,331.48, 330,518.70 and 70,534.04

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Solution

The fourth proportional to 220,331.48, 330,518.70 and 70,534.04 is: 105,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,331.48 : 330,518.70 = 70,534.04 : x
  2. Step 2: Convert to fraction form
    220,331.48/330,518.70 = 70,534.04/x
  3. Step 3: Cross multiply
    220,331.48x = 330,518.70 × 70,534.04
  4. Step 4: Simplify right side
    220,331.48x = 23,312,819,206.55
  5. Step 5: Solve for x
    x = 23,312,819,206.55/220,331.48
  6. Step 6: Final answer
    x = 105,807.94

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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.