Home / 163,701.12-245,503.20-70,184.64

Finding the Fourth Proportional to 163,701.12, 245,503.20 and 70,184.64

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Solution

The fourth proportional to 163,701.12, 245,503.20 and 70,184.64 is: 105,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,701.12 : 245,503.20 = 70,184.64 : x
  2. Step 2: Convert to fraction form
    163,701.12/245,503.20 = 70,184.64/x
  3. Step 3: Cross multiply
    163,701.12x = 245,503.20 × 70,184.64
  4. Step 4: Simplify right side
    163,701.12x = 17,230,553,710.85
  5. Step 5: Solve for x
    x = 17,230,553,710.85/163,701.12
  6. Step 6: Final answer
    x = 105,256.17

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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.