Home / 191,386.30-263,839.36-134,621.50

Finding the Fourth Proportional to 191,386.30, 263,839.36 and 134,621.50

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Solution

The fourth proportional to 191,386.30, 263,839.36 and 134,621.50 is: 185,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,386.30 : 263,839.36 = 134,621.50 : x
  2. Step 2: Convert to fraction form
    191,386.30/263,839.36 = 134,621.50/x
  3. Step 3: Cross multiply
    191,386.30x = 263,839.36 × 134,621.50
  4. Step 4: Simplify right side
    191,386.30x = 35,518,450,402.24
  5. Step 5: Solve for x
    x = 35,518,450,402.24/191,386.30
  6. Step 6: Final answer
    x = 185,585.12

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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.