Home / 134,774.04-185,985.87-74,350.47

Finding the Fourth Proportional to 134,774.04, 185,985.87 and 74,350.47

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Solution

The fourth proportional to 134,774.04, 185,985.87 and 74,350.47 is: 102,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.04 : 185,985.87 = 74,350.47 : x
  2. Step 2: Convert to fraction form
    134,774.04/185,985.87 = 74,350.47/x
  3. Step 3: Cross multiply
    134,774.04x = 185,985.87 × 74,350.47
  4. Step 4: Simplify right side
    134,774.04x = 13,828,137,684.71
  5. Step 5: Solve for x
    x = 13,828,137,684.71/134,774.04
  6. Step 6: Final answer
    x = 102,602.38

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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.