Home / 147,307.44-220,987.08-53,943.60

Finding the Fourth Proportional to 147,307.44, 220,987.08 and 53,943.60

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Solution

The fourth proportional to 147,307.44, 220,987.08 and 53,943.60 is: 80,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,307.44 : 220,987.08 = 53,943.60 : x
  2. Step 2: Convert to fraction form
    147,307.44/220,987.08 = 53,943.60/x
  3. Step 3: Cross multiply
    147,307.44x = 220,987.08 × 53,943.60
  4. Step 4: Simplify right side
    147,307.44x = 11,920,838,648.69
  5. Step 5: Solve for x
    x = 11,920,838,648.69/147,307.44
  6. Step 6: Final answer
    x = 80,924.89

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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.