Home / 98,566.30-147,885.90-94,921.30

Finding the Fourth Proportional to 98,566.30, 147,885.90 and 94,921.30

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Solution

The fourth proportional to 98,566.30, 147,885.90 and 94,921.30 is: 142,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.30 : 147,885.90 = 94,921.30 : x
  2. Step 2: Convert to fraction form
    98,566.30/147,885.90 = 94,921.30/x
  3. Step 3: Cross multiply
    98,566.30x = 147,885.90 × 94,921.30
  4. Step 4: Simplify right side
    98,566.30x = 14,037,521,879.67
  5. Step 5: Solve for x
    x = 14,037,521,879.67/98,566.30
  6. Step 6: Final answer
    x = 142,417.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.