Home / 153,952.24-212,453.40-86,883.76

Finding the Fourth Proportional to 153,952.24, 212,453.40 and 86,883.76

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Solution

The fourth proportional to 153,952.24, 212,453.40 and 86,883.76 is: 119,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,952.24 : 212,453.40 = 86,883.76 : x
  2. Step 2: Convert to fraction form
    153,952.24/212,453.40 = 86,883.76/x
  3. Step 3: Cross multiply
    153,952.24x = 212,453.40 × 86,883.76
  4. Step 4: Simplify right side
    153,952.24x = 18,458,750,216.78
  5. Step 5: Solve for x
    x = 18,458,750,216.78/153,952.24
  6. Step 6: Final answer
    x = 119,899.20

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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.