Home / 172,681.03-238,316.88-101,056.78

Finding the Fourth Proportional to 172,681.03, 238,316.88 and 101,056.78

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Solution

The fourth proportional to 172,681.03, 238,316.88 and 101,056.78 is: 139,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,681.03 : 238,316.88 = 101,056.78 : x
  2. Step 2: Convert to fraction form
    172,681.03/238,316.88 = 101,056.78/x
  3. Step 3: Cross multiply
    172,681.03x = 238,316.88 × 101,056.78
  4. Step 4: Simplify right side
    172,681.03x = 24,083,536,512.45
  5. Step 5: Solve for x
    x = 24,083,536,512.45/172,681.03
  6. Step 6: Final answer
    x = 139,468.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.