Home / 179,070.48-247,105.08-103,630.32

Finding the Fourth Proportional to 179,070.48, 247,105.08 and 103,630.32

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Solution

The fourth proportional to 179,070.48, 247,105.08 and 103,630.32 is: 143,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,070.48 : 247,105.08 = 103,630.32 : x
  2. Step 2: Convert to fraction form
    179,070.48/247,105.08 = 103,630.32/x
  3. Step 3: Cross multiply
    179,070.48x = 247,105.08 × 103,630.32
  4. Step 4: Simplify right side
    179,070.48x = 25,607,578,514.03
  5. Step 5: Solve for x
    x = 25,607,578,514.03/179,070.48
  6. Step 6: Final answer
    x = 143,002.79

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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.