Home / 115,998.02-160,154.40-89,092.46

Finding the Fourth Proportional to 115,998.02, 160,154.40 and 89,092.46

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Solution

The fourth proportional to 115,998.02, 160,154.40 and 89,092.46 is: 123,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.02 : 160,154.40 = 89,092.46 : x
  2. Step 2: Convert to fraction form
    115,998.02/160,154.40 = 89,092.46/x
  3. Step 3: Cross multiply
    115,998.02x = 160,154.40 × 89,092.46
  4. Step 4: Simplify right side
    115,998.02x = 14,268,549,475.82
  5. Step 5: Solve for x
    x = 14,268,549,475.82/115,998.02
  6. Step 6: Final answer
    x = 123,006.84

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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.