Home / 152,005.22-209,768.04-83,094.80

Finding the Fourth Proportional to 152,005.22, 209,768.04 and 83,094.80

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Solution

The fourth proportional to 152,005.22, 209,768.04 and 83,094.80 is: 114,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,005.22 : 209,768.04 = 83,094.80 : x
  2. Step 2: Convert to fraction form
    152,005.22/209,768.04 = 83,094.80/x
  3. Step 3: Cross multiply
    152,005.22x = 209,768.04 × 83,094.80
  4. Step 4: Simplify right side
    152,005.22x = 17,430,633,330.19
  5. Step 5: Solve for x
    x = 17,430,633,330.19/152,005.22
  6. Step 6: Final answer
    x = 114,671.28

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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.