Home / 118,207.34-163,012.33-79,532.29

Finding the Fourth Proportional to 118,207.34, 163,012.33 and 79,532.29

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Solution

The fourth proportional to 118,207.34, 163,012.33 and 79,532.29 is: 109,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.34 : 163,012.33 = 79,532.29 : x
  2. Step 2: Convert to fraction form
    118,207.34/163,012.33 = 79,532.29/x
  3. Step 3: Cross multiply
    118,207.34x = 163,012.33 × 79,532.29
  4. Step 4: Simplify right side
    118,207.34x = 12,964,744,206.32
  5. Step 5: Solve for x
    x = 12,964,744,206.32/118,207.34
  6. Step 6: Final answer
    x = 109,678.00

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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.