Home / 340,831.49-470,350.74-187,875.59

Finding the Fourth Proportional to 340,831.49, 470,350.74 and 187,875.59

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Solution

The fourth proportional to 340,831.49, 470,350.74 and 187,875.59 is: 259,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,831.49 : 470,350.74 = 187,875.59 : x
  2. Step 2: Convert to fraction form
    340,831.49/470,350.74 = 187,875.59/x
  3. Step 3: Cross multiply
    340,831.49x = 470,350.74 × 187,875.59
  4. Step 4: Simplify right side
    340,831.49x = 88,367,420,432.68
  5. Step 5: Solve for x
    x = 88,367,420,432.68/340,831.49
  6. Step 6: Final answer
    x = 259,270.12

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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.