Home / 108,741.10-163,056.30-42,200.32

Finding the Fourth Proportional to 108,741.10, 163,056.30 and 42,200.32

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Solution

The fourth proportional to 108,741.10, 163,056.30 and 42,200.32 is: 63,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,741.10 : 163,056.30 = 42,200.32 : x
  2. Step 2: Convert to fraction form
    108,741.10/163,056.30 = 42,200.32/x
  3. Step 3: Cross multiply
    108,741.10x = 163,056.30 × 42,200.32
  4. Step 4: Simplify right side
    108,741.10x = 6,881,028,038.02
  5. Step 5: Solve for x
    x = 6,881,028,038.02/108,741.10
  6. Step 6: Final answer
    x = 63,279.00

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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.