Home / 153,581.40-211,927.50-92,345.40

Finding the Fourth Proportional to 153,581.40, 211,927.50 and 92,345.40

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Solution

The fourth proportional to 153,581.40, 211,927.50 and 92,345.40 is: 127,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,581.40 : 211,927.50 = 92,345.40 : x
  2. Step 2: Convert to fraction form
    153,581.40/211,927.50 = 92,345.40/x
  3. Step 3: Cross multiply
    153,581.40x = 211,927.50 × 92,345.40
  4. Step 4: Simplify right side
    153,581.40x = 19,570,529,758.50
  5. Step 5: Solve for x
    x = 19,570,529,758.50/153,581.40
  6. Step 6: Final answer
    x = 127,427.73

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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.