Home / 107,319.42-160,194.40-99,513.27

Finding the Fourth Proportional to 107,319.42, 160,194.40 and 99,513.27

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Solution

The fourth proportional to 107,319.42, 160,194.40 and 99,513.27 is: 148,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.42 : 160,194.40 = 99,513.27 : x
  2. Step 2: Convert to fraction form
    107,319.42/160,194.40 = 99,513.27/x
  3. Step 3: Cross multiply
    107,319.42x = 160,194.40 × 99,513.27
  4. Step 4: Simplify right side
    107,319.42x = 15,941,468,330.90
  5. Step 5: Solve for x
    x = 15,941,468,330.90/107,319.42
  6. Step 6: Final answer
    x = 148,542.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.