Home / 107,437.56-160,367.70-99,520.62

Finding the Fourth Proportional to 107,437.56, 160,367.70 and 99,520.62

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Solution

The fourth proportional to 107,437.56, 160,367.70 and 99,520.62 is: 148,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.56 : 160,367.70 = 99,520.62 : x
  2. Step 2: Convert to fraction form
    107,437.56/160,367.70 = 99,520.62/x
  3. Step 3: Cross multiply
    107,437.56x = 160,367.70 × 99,520.62
  4. Step 4: Simplify right side
    107,437.56x = 15,959,892,931.97
  5. Step 5: Solve for x
    x = 15,959,892,931.97/107,437.56
  6. Step 6: Final answer
    x = 148,550.40

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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.