Home / 163,693.34-245,543.18-51,377.21

Finding the Fourth Proportional to 163,693.34, 245,543.18 and 51,377.21

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Solution

The fourth proportional to 163,693.34, 245,543.18 and 51,377.21 is: 77,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,693.34 : 245,543.18 = 51,377.21 : x
  2. Step 2: Convert to fraction form
    163,693.34/245,543.18 = 51,377.21/x
  3. Step 3: Cross multiply
    163,693.34x = 245,543.18 × 51,377.21
  4. Step 4: Simplify right side
    163,693.34x = 12,615,322,038.33
  5. Step 5: Solve for x
    x = 12,615,322,038.33/163,693.34
  6. Step 6: Final answer
    x = 77,066.80

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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.