Home / 124,148.40-185,378.32-117,132.23

Finding the Fourth Proportional to 124,148.40, 185,378.32 and 117,132.23

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Solution

The fourth proportional to 124,148.40, 185,378.32 and 117,132.23 is: 174,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.40 : 185,378.32 = 117,132.23 : x
  2. Step 2: Convert to fraction form
    124,148.40/185,378.32 = 117,132.23/x
  3. Step 3: Cross multiply
    124,148.40x = 185,378.32 × 117,132.23
  4. Step 4: Simplify right side
    124,148.40x = 21,713,775,582.36
  5. Step 5: Solve for x
    x = 21,713,775,582.36/124,148.40
  6. Step 6: Final answer
    x = 174,901.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.