Home / 115,605.02-159,447.26-99,498.98

Finding the Fourth Proportional to 115,605.02, 159,447.26 and 99,498.98

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Solution

The fourth proportional to 115,605.02, 159,447.26 and 99,498.98 is: 137,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.02 : 159,447.26 = 99,498.98 : x
  2. Step 2: Convert to fraction form
    115,605.02/159,447.26 = 99,498.98/x
  3. Step 3: Cross multiply
    115,605.02x = 159,447.26 × 99,498.98
  4. Step 4: Simplify right side
    115,605.02x = 15,864,838,439.06
  5. Step 5: Solve for x
    x = 15,864,838,439.06/115,605.02
  6. Step 6: Final answer
    x = 137,233.13

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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.