Home / 247,001.04-340,856.99-139,568.76

Finding the Fourth Proportional to 247,001.04, 340,856.99 and 139,568.76

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Solution

The fourth proportional to 247,001.04, 340,856.99 and 139,568.76 is: 192,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,001.04 : 340,856.99 = 139,568.76 : x
  2. Step 2: Convert to fraction form
    247,001.04/340,856.99 = 139,568.76/x
  3. Step 3: Cross multiply
    247,001.04x = 340,856.99 × 139,568.76
  4. Step 4: Simplify right side
    247,001.04x = 47,572,987,431.63
  5. Step 5: Solve for x
    x = 47,572,987,431.63/247,001.04
  6. Step 6: Final answer
    x = 192,602.38

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1.5x scale

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.