Home / 106,306.02-159,459.23-99,810.63

Finding the Fourth Proportional to 106,306.02, 159,459.23 and 99,810.63

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Solution

The fourth proportional to 106,306.02, 159,459.23 and 99,810.63 is: 149,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,306.02 : 159,459.23 = 99,810.63 : x
  2. Step 2: Convert to fraction form
    106,306.02/159,459.23 = 99,810.63/x
  3. Step 3: Cross multiply
    106,306.02x = 159,459.23 × 99,810.63
  4. Step 4: Simplify right side
    106,306.02x = 15,915,726,455.14
  5. Step 5: Solve for x
    x = 15,915,726,455.14/106,306.02
  6. Step 6: Final answer
    x = 149,716.14

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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.