Home / 152,121.42-209,804.31-116,254.62

Finding the Fourth Proportional to 152,121.42, 209,804.31 and 116,254.62

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Solution

The fourth proportional to 152,121.42, 209,804.31 and 116,254.62 is: 160,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,121.42 : 209,804.31 = 116,254.62 : x
  2. Step 2: Convert to fraction form
    152,121.42/209,804.31 = 116,254.62/x
  3. Step 3: Cross multiply
    152,121.42x = 209,804.31 × 116,254.62
  4. Step 4: Simplify right side
    152,121.42x = 24,390,720,333.41
  5. Step 5: Solve for x
    x = 24,390,720,333.41/152,121.42
  6. Step 6: Final answer
    x = 160,337.19

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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.