Home / 126,419.63-174,458.56-69,831.01

Finding the Fourth Proportional to 126,419.63, 174,458.56 and 69,831.01

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Solution

The fourth proportional to 126,419.63, 174,458.56 and 69,831.01 is: 96,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,419.63 : 174,458.56 = 69,831.01 : x
  2. Step 2: Convert to fraction form
    126,419.63/174,458.56 = 69,831.01/x
  3. Step 3: Cross multiply
    126,419.63x = 174,458.56 × 69,831.01
  4. Step 4: Simplify right side
    126,419.63x = 12,182,616,401.08
  5. Step 5: Solve for x
    x = 12,182,616,401.08/126,419.63
  6. Step 6: Final answer
    x = 96,366.49

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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.