Home / 120,817.02-166,717.74-69,833.07

Finding the Fourth Proportional to 120,817.02, 166,717.74 and 69,833.07

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Solution

The fourth proportional to 120,817.02, 166,717.74 and 69,833.07 is: 96,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,817.02 : 166,717.74 = 69,833.07 : x
  2. Step 2: Convert to fraction form
    120,817.02/166,717.74 = 69,833.07/x
  3. Step 3: Cross multiply
    120,817.02x = 166,717.74 × 69,833.07
  4. Step 4: Simplify right side
    120,817.02x = 11,642,411,607.66
  5. Step 5: Solve for x
    x = 11,642,411,607.66/120,817.02
  6. Step 6: Final answer
    x = 96,364.00

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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.