Home / 163,478.58-225,627.18-136,211.40

Finding the Fourth Proportional to 163,478.58, 225,627.18 and 136,211.40

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Solution

The fourth proportional to 163,478.58, 225,627.18 and 136,211.40 is: 187,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,478.58 : 225,627.18 = 136,211.40 : x
  2. Step 2: Convert to fraction form
    163,478.58/225,627.18 = 136,211.40/x
  3. Step 3: Cross multiply
    163,478.58x = 225,627.18 × 136,211.40
  4. Step 4: Simplify right side
    163,478.58x = 30,732,994,065.85
  5. Step 5: Solve for x
    x = 30,732,994,065.85/163,478.58
  6. Step 6: Final answer
    x = 187,994.01

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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.