Home / 147,029.40-220,106.70-97,165.80

Finding the Fourth Proportional to 147,029.40, 220,106.70 and 97,165.80

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Solution

The fourth proportional to 147,029.40, 220,106.70 and 97,165.80 is: 145,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.40 : 220,106.70 = 97,165.80 : x
  2. Step 2: Convert to fraction form
    147,029.40/220,106.70 = 97,165.80/x
  3. Step 3: Cross multiply
    147,029.40x = 220,106.70 × 97,165.80
  4. Step 4: Simplify right side
    147,029.40x = 21,386,843,590.86
  5. Step 5: Solve for x
    x = 21,386,843,590.86/147,029.40
  6. Step 6: Final answer
    x = 145,459.64

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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.