Home / 134,455.80-185,541.66-74,024.16

Finding the Fourth Proportional to 134,455.80, 185,541.66 and 74,024.16

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Solution

The fourth proportional to 134,455.80, 185,541.66 and 74,024.16 is: 102,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,455.80 : 185,541.66 = 74,024.16 : x
  2. Step 2: Convert to fraction form
    134,455.80/185,541.66 = 74,024.16/x
  3. Step 3: Cross multiply
    134,455.80x = 185,541.66 × 74,024.16
  4. Step 4: Simplify right side
    134,455.80x = 13,734,565,526.51
  5. Step 5: Solve for x
    x = 13,734,565,526.51/134,455.80
  6. Step 6: Final answer
    x = 102,149.30

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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.