Home / 130,285.46-195,166.11-98,749.46

Finding the Fourth Proportional to 130,285.46, 195,166.11 and 98,749.46

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Solution

The fourth proportional to 130,285.46, 195,166.11 and 98,749.46 is: 147,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,285.46 : 195,166.11 = 98,749.46 : x
  2. Step 2: Convert to fraction form
    130,285.46/195,166.11 = 98,749.46/x
  3. Step 3: Cross multiply
    130,285.46x = 195,166.11 × 98,749.46
  4. Step 4: Simplify right side
    130,285.46x = 19,272,547,972.80
  5. Step 5: Solve for x
    x = 19,272,547,972.80/130,285.46
  6. Step 6: Final answer
    x = 147,925.55

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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.