Home / 108,875.86-149,937.61-98,028.34

Finding the Fourth Proportional to 108,875.86, 149,937.61 and 98,028.34

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Solution

The fourth proportional to 108,875.86, 149,937.61 and 98,028.34 is: 134,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.86 : 149,937.61 = 98,028.34 : x
  2. Step 2: Convert to fraction form
    108,875.86/149,937.61 = 98,028.34/x
  3. Step 3: Cross multiply
    108,875.86x = 149,937.61 × 98,028.34
  4. Step 4: Simplify right side
    108,875.86x = 14,698,133,772.04
  5. Step 5: Solve for x
    x = 14,698,133,772.04/108,875.86
  6. Step 6: Final answer
    x = 134,999.02

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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.