Home / 134,590.02-185,742.50-74,160.65

Finding the Fourth Proportional to 134,590.02, 185,742.50 and 74,160.65

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Solution

The fourth proportional to 134,590.02, 185,742.50 and 74,160.65 is: 102,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,590.02 : 185,742.50 = 74,160.65 : x
  2. Step 2: Convert to fraction form
    134,590.02/185,742.50 = 74,160.65/x
  3. Step 3: Cross multiply
    134,590.02x = 185,742.50 × 74,160.65
  4. Step 4: Simplify right side
    134,590.02x = 13,774,783,511.21
  5. Step 5: Solve for x
    x = 13,774,783,511.21/134,590.02
  6. Step 6: Final answer
    x = 102,346.25

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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.