Home / 101,449.07-152,074.67-42,301.65

Finding the Fourth Proportional to 101,449.07, 152,074.67 and 42,301.65

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Solution

The fourth proportional to 101,449.07, 152,074.67 and 42,301.65 is: 63,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,449.07 : 152,074.67 = 42,301.65 : x
  2. Step 2: Convert to fraction form
    101,449.07/152,074.67 = 42,301.65/x
  3. Step 3: Cross multiply
    101,449.07x = 152,074.67 × 42,301.65
  4. Step 4: Simplify right side
    101,449.07x = 6,433,009,464.21
  5. Step 5: Solve for x
    x = 6,433,009,464.21/101,449.07
  6. Step 6: Final answer
    x = 63,411.22

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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.