Home / 153,544.30-211,885.74-85,557.76

Finding the Fourth Proportional to 153,544.30, 211,885.74 and 85,557.76

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Solution

The fourth proportional to 153,544.30, 211,885.74 and 85,557.76 is: 118,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,544.30 : 211,885.74 = 85,557.76 : x
  2. Step 2: Convert to fraction form
    153,544.30/211,885.74 = 85,557.76/x
  3. Step 3: Cross multiply
    153,544.30x = 211,885.74 × 85,557.76
  4. Step 4: Simplify right side
    153,544.30x = 18,128,468,760.63
  5. Step 5: Solve for x
    x = 18,128,468,760.63/153,544.30
  6. Step 6: Final answer
    x = 118,066.70

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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.