Home / 153,618.93-230,261.94-78,636.24

Finding the Fourth Proportional to 153,618.93, 230,261.94 and 78,636.24

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Solution

The fourth proportional to 153,618.93, 230,261.94 and 78,636.24 is: 117,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,618.93 : 230,261.94 = 78,636.24 : x
  2. Step 2: Convert to fraction form
    153,618.93/230,261.94 = 78,636.24/x
  3. Step 3: Cross multiply
    153,618.93x = 230,261.94 × 78,636.24
  4. Step 4: Simplify right side
    153,618.93x = 18,106,933,176.71
  5. Step 5: Solve for x
    x = 18,106,933,176.71/153,618.93
  6. Step 6: Final answer
    x = 117,869.15

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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.