Home / 423,271.01-634,925.96-107,730.65

Finding the Fourth Proportional to 423,271.01, 634,925.96 and 107,730.65

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Solution

The fourth proportional to 423,271.01, 634,925.96 and 107,730.65 is: 161,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,271.01 : 634,925.96 = 107,730.65 : x
  2. Step 2: Convert to fraction form
    423,271.01/634,925.96 = 107,730.65/x
  3. Step 3: Cross multiply
    423,271.01x = 634,925.96 × 107,730.65
  4. Step 4: Simplify right side
    423,271.01x = 68,400,986,372.67
  5. Step 5: Solve for x
    x = 68,400,986,372.67/423,271.01
  6. Step 6: Final answer
    x = 161,600.92

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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.