Home / 99,314.30-148,971.45-98,623.10

Finding the Fourth Proportional to 99,314.30, 148,971.45 and 98,623.10

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Solution

The fourth proportional to 99,314.30, 148,971.45 and 98,623.10 is: 147,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.30 : 148,971.45 = 98,623.10 : x
  2. Step 2: Convert to fraction form
    99,314.30/148,971.45 = 98,623.10/x
  3. Step 3: Cross multiply
    99,314.30x = 148,971.45 × 98,623.10
  4. Step 4: Simplify right side
    99,314.30x = 14,692,026,210.50
  5. Step 5: Solve for x
    x = 14,692,026,210.50/99,314.30
  6. Step 6: Final answer
    x = 147,934.65

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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.