Home / 163,913.68-245,870.79-45,585.10

Finding the Fourth Proportional to 163,913.68, 245,870.79 and 45,585.10

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Solution

The fourth proportional to 163,913.68, 245,870.79 and 45,585.10 is: 68,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,913.68 : 245,870.79 = 45,585.10 : x
  2. Step 2: Convert to fraction form
    163,913.68/245,870.79 = 45,585.10/x
  3. Step 3: Cross multiply
    163,913.68x = 245,870.79 × 45,585.10
  4. Step 4: Simplify right side
    163,913.68x = 11,208,044,549.23
  5. Step 5: Solve for x
    x = 11,208,044,549.23/163,913.68
  6. Step 6: Final answer
    x = 68,377.73

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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.