Home / 163,614.20-245,421.30-156,702.20

Finding the Fourth Proportional to 163,614.20, 245,421.30 and 156,702.20

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Solution

The fourth proportional to 163,614.20, 245,421.30 and 156,702.20 is: 235,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,614.20 : 245,421.30 = 156,702.20 : x
  2. Step 2: Convert to fraction form
    163,614.20/245,421.30 = 156,702.20/x
  3. Step 3: Cross multiply
    163,614.20x = 245,421.30 × 156,702.20
  4. Step 4: Simplify right side
    163,614.20x = 38,458,057,636.86
  5. Step 5: Solve for x
    x = 38,458,057,636.86/163,614.20
  6. Step 6: Final answer
    x = 235,053.30

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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.