Home / 153,348.04-211,630.26-85,364.20

Finding the Fourth Proportional to 153,348.04, 211,630.26 and 85,364.20

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Solution

The fourth proportional to 153,348.04, 211,630.26 and 85,364.20 is: 117,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,348.04 : 211,630.26 = 85,364.20 : x
  2. Step 2: Convert to fraction form
    153,348.04/211,630.26 = 85,364.20/x
  3. Step 3: Cross multiply
    153,348.04x = 211,630.26 × 85,364.20
  4. Step 4: Simplify right side
    153,348.04x = 18,065,647,840.69
  5. Step 5: Solve for x
    x = 18,065,647,840.69/153,348.04
  6. Step 6: Final answer
    x = 117,808.14

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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.