Home / 145,564.02-218,272.17-66,610.59

Finding the Fourth Proportional to 145,564.02, 218,272.17 and 66,610.59

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Solution

The fourth proportional to 145,564.02, 218,272.17 and 66,610.59 is: 99,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,564.02 : 218,272.17 = 66,610.59 : x
  2. Step 2: Convert to fraction form
    145,564.02/218,272.17 = 66,610.59/x
  3. Step 3: Cross multiply
    145,564.02x = 218,272.17 × 66,610.59
  4. Step 4: Simplify right side
    145,564.02x = 14,539,238,024.28
  5. Step 5: Solve for x
    x = 14,539,238,024.28/145,564.02
  6. Step 6: Final answer
    x = 99,882.09

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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.