Home / 134,641.12-185,806.02-74,214.10

Finding the Fourth Proportional to 134,641.12, 185,806.02 and 74,214.10

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Solution

The fourth proportional to 134,641.12, 185,806.02 and 74,214.10 is: 102,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,641.12 : 185,806.02 = 74,214.10 : x
  2. Step 2: Convert to fraction form
    134,641.12/185,806.02 = 74,214.10/x
  3. Step 3: Cross multiply
    134,641.12x = 185,806.02 × 74,214.10
  4. Step 4: Simplify right side
    134,641.12x = 13,789,426,548.88
  5. Step 5: Solve for x
    x = 13,789,426,548.88/134,641.12
  6. Step 6: Final answer
    x = 102,416.16

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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.