Home / 163,688.49-245,461.11-82,585.59

Finding the Fourth Proportional to 163,688.49, 245,461.11 and 82,585.59

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Solution

The fourth proportional to 163,688.49, 245,461.11 and 82,585.59 is: 123,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,688.49 : 245,461.11 = 82,585.59 : x
  2. Step 2: Convert to fraction form
    163,688.49/245,461.11 = 82,585.59/x
  3. Step 3: Cross multiply
    163,688.49x = 245,461.11 × 82,585.59
  4. Step 4: Simplify right side
    163,688.49x = 20,271,550,591.40
  5. Step 5: Solve for x
    x = 20,271,550,591.40/163,688.49
  6. Step 6: Final answer
    x = 123,842.25

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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.