Home / 115,478.08-172,897.44-59,196.80

Finding the Fourth Proportional to 115,478.08, 172,897.44 and 59,196.80

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Solution

The fourth proportional to 115,478.08, 172,897.44 and 59,196.80 is: 88,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,478.08 : 172,897.44 = 59,196.80 : x
  2. Step 2: Convert to fraction form
    115,478.08/172,897.44 = 59,196.80/x
  3. Step 3: Cross multiply
    115,478.08x = 172,897.44 × 59,196.80
  4. Step 4: Simplify right side
    115,478.08x = 10,234,975,176.19
  5. Step 5: Solve for x
    x = 10,234,975,176.19/115,478.08
  6. Step 6: Final answer
    x = 88,631.32

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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.