Home / 134,478.93-185,573.58-74,038.10

Finding the Fourth Proportional to 134,478.93, 185,573.58 and 74,038.10

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Solution

The fourth proportional to 134,478.93, 185,573.58 and 74,038.10 is: 102,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478.93 : 185,573.58 = 74,038.10 : x
  2. Step 2: Convert to fraction form
    134,478.93/185,573.58 = 74,038.10/x
  3. Step 3: Cross multiply
    134,478.93x = 185,573.58 × 74,038.10
  4. Step 4: Simplify right side
    134,478.93x = 13,739,515,528.20
  5. Step 5: Solve for x
    x = 13,739,515,528.20/134,478.93
  6. Step 6: Final answer
    x = 102,168.53

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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.