Home / 153,346.60-211,624.50-85,366.36

Finding the Fourth Proportional to 153,346.60, 211,624.50 and 85,366.36

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Solution

The fourth proportional to 153,346.60, 211,624.50 and 85,366.36 is: 117,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,346.60 : 211,624.50 = 85,366.36 : x
  2. Step 2: Convert to fraction form
    153,346.60/211,624.50 = 85,366.36/x
  3. Step 3: Cross multiply
    153,346.60x = 211,624.50 × 85,366.36
  4. Step 4: Simplify right side
    153,346.60x = 18,065,613,251.82
  5. Step 5: Solve for x
    x = 18,065,613,251.82/153,346.60
  6. Step 6: Final answer
    x = 117,809.02

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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.