Home / 152,980.23-229,343.99-67,530.23

Finding the Fourth Proportional to 152,980.23, 229,343.99 and 67,530.23

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Solution

The fourth proportional to 152,980.23, 229,343.99 and 67,530.23 is: 101,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,980.23 : 229,343.99 = 67,530.23 : x
  2. Step 2: Convert to fraction form
    152,980.23/229,343.99 = 67,530.23/x
  3. Step 3: Cross multiply
    152,980.23x = 229,343.99 × 67,530.23
  4. Step 4: Simplify right side
    152,980.23x = 15,487,650,909.45
  5. Step 5: Solve for x
    x = 15,487,650,909.45/152,980.23
  6. Step 6: Final answer
    x = 101,239.56

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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.