Home / 181,831.71-250,909.86-101,256.15

Finding the Fourth Proportional to 181,831.71, 250,909.86 and 101,256.15

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Solution

The fourth proportional to 181,831.71, 250,909.86 and 101,256.15 is: 139,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,831.71 : 250,909.86 = 101,256.15 : x
  2. Step 2: Convert to fraction form
    181,831.71/250,909.86 = 101,256.15/x
  3. Step 3: Cross multiply
    181,831.71x = 250,909.86 × 101,256.15
  4. Step 4: Simplify right side
    181,831.71x = 25,406,166,420.64
  5. Step 5: Solve for x
    x = 25,406,166,420.64/181,831.71
  6. Step 6: Final answer
    x = 139,723.52

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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.