Home / 163,697.26-245,544.81-42,117.61

Finding the Fourth Proportional to 163,697.26, 245,544.81 and 42,117.61

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Solution

The fourth proportional to 163,697.26, 245,544.81 and 42,117.61 is: 63,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,697.26 : 245,544.81 = 42,117.61 : x
  2. Step 2: Convert to fraction form
    163,697.26/245,544.81 = 42,117.61/x
  3. Step 3: Cross multiply
    163,697.26x = 245,544.81 × 42,117.61
  4. Step 4: Simplify right side
    163,697.26x = 10,341,760,545.10
  5. Step 5: Solve for x
    x = 10,341,760,545.10/163,697.26
  6. Step 6: Final answer
    x = 63,176.14

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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.