Home / 177,768.08-245,320.40-97,200.80

Finding the Fourth Proportional to 177,768.08, 245,320.40 and 97,200.80

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Solution

The fourth proportional to 177,768.08, 245,320.40 and 97,200.80 is: 134,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,768.08 : 245,320.40 = 97,200.80 : x
  2. Step 2: Convert to fraction form
    177,768.08/245,320.40 = 97,200.80/x
  3. Step 3: Cross multiply
    177,768.08x = 245,320.40 × 97,200.80
  4. Step 4: Simplify right side
    177,768.08x = 23,845,339,136.32
  5. Step 5: Solve for x
    x = 23,845,339,136.32/177,768.08
  6. Step 6: Final answer
    x = 134,137.35

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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.