Home / 163,528.40-245,350.20-157,768.40

Finding the Fourth Proportional to 163,528.40, 245,350.20 and 157,768.40

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Solution

The fourth proportional to 163,528.40, 245,350.20 and 157,768.40 is: 236,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,528.40 : 245,350.20 = 157,768.40 : x
  2. Step 2: Convert to fraction form
    163,528.40/245,350.20 = 157,768.40/x
  3. Step 3: Cross multiply
    163,528.40x = 245,350.20 × 157,768.40
  4. Step 4: Simplify right side
    163,528.40x = 38,708,508,493.68
  5. Step 5: Solve for x
    x = 38,708,508,493.68/163,528.40
  6. Step 6: Final answer
    x = 236,708.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.