Home / 430,158.26-644,860.13-163,741.57

Finding the Fourth Proportional to 430,158.26, 644,860.13 and 163,741.57

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Solution

The fourth proportional to 430,158.26, 644,860.13 and 163,741.57 is: 245,468.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,158.26 : 644,860.13 = 163,741.57 : x
  2. Step 2: Convert to fraction form
    430,158.26/644,860.13 = 163,741.57/x
  3. Step 3: Cross multiply
    430,158.26x = 644,860.13 × 163,741.57
  4. Step 4: Simplify right side
    430,158.26x = 105,590,407,685.75
  5. Step 5: Solve for x
    x = 105,590,407,685.75/430,158.26
  6. Step 6: Final answer
    x = 245,468.74

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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.