Home / 163,933.60-245,770.80-70,362.40

Finding the Fourth Proportional to 163,933.60, 245,770.80 and 70,362.40

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Solution

The fourth proportional to 163,933.60, 245,770.80 and 70,362.40 is: 105,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,933.60 : 245,770.80 = 70,362.40 : x
  2. Step 2: Convert to fraction form
    163,933.60/245,770.80 = 70,362.40/x
  3. Step 3: Cross multiply
    163,933.60x = 245,770.80 × 70,362.40
  4. Step 4: Simplify right side
    163,933.60x = 17,293,023,337.92
  5. Step 5: Solve for x
    x = 17,293,023,337.92/163,933.60
  6. Step 6: Final answer
    x = 105,487.97

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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.