Home / 163,867.92-245,897.28-69,092.16

Finding the Fourth Proportional to 163,867.92, 245,897.28 and 69,092.16

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Solution

The fourth proportional to 163,867.92, 245,897.28 and 69,092.16 is: 103,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,867.92 : 245,897.28 = 69,092.16 : x
  2. Step 2: Convert to fraction form
    163,867.92/245,897.28 = 69,092.16/x
  3. Step 3: Cross multiply
    163,867.92x = 245,897.28 × 69,092.16
  4. Step 4: Simplify right side
    163,867.92x = 16,989,574,213.32
  5. Step 5: Solve for x
    x = 16,989,574,213.32/163,867.92
  6. Step 6: Final answer
    x = 103,678.46

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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.